Undefined Character (U+13A23)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓨣` `𓨣`
UTF-8 Encoding:	`0xF0 0x93 0xA8 0xA3`
UTF-16 Encoding:	`0xD80E 0xDE23`
UTF-32 Encoding:	`0x00013A23`

References