Code point
U+2373
Glyph appearance depends on your fonts.
U+2373
SoU+2373 APL FUNCTIONAL SYMBOL IOTA 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+2373
9075
⍳
⍳
E2 8D B3
2373
00002373
%E2%8D%B3
\u2373
\u2373
\u2373
\2373