23900 has 18 divisors (see below), whose sum is σ = 52080. Its totient is φ = 9520.

The previous prime is 23899. The next prime is 23909. The reversal of 23900 is 932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20 + ... + 219.

2²³⁹⁰⁰ is an apocalyptic number.

23900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23900 is an abundant number, since it is smaller than the sum of its proper divisors (28180).

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

23900 is a wasteful number, since it uses less digits than its factorization.

23900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 23900 is about 154.5962483374. The cubic root of 23900 is about 28.8048731466.

The spelling of 23900 in words is "twenty-three thousand, nine hundred".