23100 has 72 divisors (see below), whose sum is σ = 83328. Its totient is φ = 4800.

The previous prime is 23099. The next prime is 23117. The reversal of 23100 is 132.

23100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×23100² = 1067220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2095 + ... + 2105.

2²³¹⁰⁰ is an apocalyptic number.

23100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41664).

23100 is an abundant number, since it is smaller than the sum of its proper divisors (60228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23100 is a wasteful number, since it uses less digits than its factorization.

23100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 23100 is about 151.9868415357. The cubic root of 23100 is about 28.4798256733.

Adding to 23100 its reverse (132), we get a palindrome (23232).

The spelling of 23100 in words is "twenty-three thousand, one hundred", and thus it is an iban number.