Code point
U+2349
Glyph appearance depends on your fonts.
U+2349
SoU+2349 APL FUNCTIONAL SYMBOL CIRCLE BACKSLASH is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+2349
9033
⍉
⍉
E2 8D 89
2349
00002349
%E2%8D%89
\u2349
\u2349
\u2349
\2349