23401900 has 36 divisors (see below), whose sum is σ = 52427200. Its totient is φ = 9057600.

The previous prime is 23401853. The next prime is 23401907. The reversal of 23401900 is 910432.

It is a super-2 number, since 2×23401900² = 1095297847220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23401907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675 + ... + 6874.

Almost surely, 2^23401900 is an apocalyptic number.

23401900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23401900 is an abundant number, since it is smaller than the sum of its proper divisors (29025300).

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

23401900 is a wasteful number, since it uses less digits than its factorization.

23401900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23401900 is about 4837.5510333225. The cubic root of 23401900 is about 286.0335918292.

The spelling of 23401900 in words is "twenty-three million, four hundred one thousand, nine hundred".