23135900 has 18 divisors (see below), whose sum is σ = 50205120. Its totient is φ = 9254320.

The previous prime is 23135869. The next prime is 23135921. The reversal of 23135900 is 953132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115580 + ... + 115779.

Almost surely, 2^23135900 is an apocalyptic number.

23135900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23135900 is an abundant number, since it is smaller than the sum of its proper divisors (27069220).

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

23135900 is a wasteful number, since it uses less digits than its factorization.

23135900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231373 (or 231366 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 23135900 is about 4809.9792099343. The cubic root of 23135900 is about 284.9457165517.

The spelling of 23135900 in words is "twenty-three million, one hundred thirty-five thousand, nine hundred".