2331

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
3² = 9
7
37

Its 12 divisors are:
1
3
7
9
21
37
63
111
259
333
777
2331
Its aliquote sum is:
1621
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:छ DEVANAGARI LETTER CHA in Devanagari (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: छ

The number appears at position 23420 of the decimal digits of π surrounded by
63071901147318485749233181672072137279355679 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 895.576ms; cpu: 64.4460000000002ms)