?字UNICODE编码U+23F28,10进制: 147240,UTF-32: 00023F28,UTF-8: F0 A3 BC A8。(Ttcx.NET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(Zi.TTCX.NeT)