Code point
U+23B3
Glyph appearance depends on your fonts.
U+23B3
SmU+23B3 SUMMATION BOTTOM is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+23B3
9139
⎳
⎳
E2 8E B3
23B3
000023B3
%E2%8E%B3
\u23B3
\u23B3
\u23B3
\23B3