Source: Noto Sans Cuneiform

U+1230D CUNEIFORM SIGN U U U

U+1230D was added to Unicode in version 5.0 (2006). It belongs to the block U+12000 to U+123FF Cuneiform in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Letter and is mainly used in the Cuneiform script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+1230D behaves as Alphabetic regarding line breaks. It has type Other Letter for sentence and Alphabetic Letter for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

The Winkelhaken (German: [ˈvɪŋkəlˌhaːkən], "angular hook"), also simply called a hook, is one of five basic wedge elements appearing in the composition of signs in Akkadian cuneiform. It was realized by pressing the point of the stylus into the clay.
A single Winkelhaken corresponds to the sign U (Borger 1981 nr. 411, Borger 2003 nr. 661), encoded in Unicode at code point U+1230B 𒌋.
other signs consisting of Winkelhaken:

A Glossenkeil (Borger nr. 378) is a cuneiform character, consisting of either two Winkelhaken (U+12471 𒑱), or of two parallel short diagonal wedges (U+12472 𒑲, similar to GAM), Borger 2003 nr. 592, which serves as a sort of punctuation, as it were as quote sign, marking foreign words or names, or as separation mark, transliterated as a colon ':'.

two Winkelhaken, MAN, XX "20", Borger 2003 nr. 708

three Winkelhaken, EŠ, XXX "30", Borger 2003 nr. 711, U+1230D 𒌍

four Winkelhaken, NIMIN, XL "40", Borger 2003 nr. 712, U+1240F 𒐏

four Winkelhaken, two of them reversed MAŠGI, BARGI, Borger 2003 nr. 713, U+12310 𒌐

five Winkelhaken, NINNU, L "50", Borger 2003 nr. 714, U+12410 𒐐

six Winkelhaken, LX "60", Borger 2003 nr. 715, U+12411 𒐑

seven Winkelhaken, Borger 2003 nr. 716, U+12412 𒐒

eight Winkelhaken, Borger 2003 nr. 717, U+12413 𒐓

nine Winkelhaken, Borger 2003 nr. 718, U+12414 𒐔

Representations

System	Representation
Nº	74509
UTF-8	F0 92 8C 8D
UTF-16	D8 08 DF 0D
UTF-32	00 01 23 0D
URL-Quoted	%F0%92%8C%8D
HTML-Escape	𒌍
Wrong windows-1252 Mojibake	ð

Elsewhere

Complete Record

Property	Value
Age	5.0 (2006)
Unicode Name	CUNEIFORM SIGN U U U
Unicode 1 Name	—
Block	Cuneiform
General Category	Other Letter
Script	Cuneiform
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Cuneiform Sign U U U
Lowercase	✘
Simple Lowercase Mapping	Cuneiform Sign U U U
Lowercase Mapping	Cuneiform Sign U U U
Uppercase	✘
Simple Uppercase Mapping	Cuneiform Sign U U U
Uppercase Mapping	Cuneiform Sign U U U
Simple Titlecase Mapping	Cuneiform Sign U U U
Titlecase Mapping	Cuneiform Sign U U U
Case Folding	Cuneiform Sign U U U
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Cuneiform Sign U U U
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Cuneiform Sign U U U
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Alphabetic Letter
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Cuneiform Sign U U U
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Alphabetic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Cuneiform Sign U U U
Script Extension
Vertical Orientation	R