?字UNICODE编码U+23301,10进制: 144129,UTF-32: 00023301,UTF-8: F0 A3 8C 81。(zi.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提供