23400685 has 48 divisors (see below), whose sum is σ = 37592640. Its totient is φ = 13789440.

The previous prime is 23400679. The next prime is 23400701. The reversal of 23400685 is 58600432.

It is not a de Polignac number, because 23400685 - 2¹¹ = 23398637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50977 + ... + 51433.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^23400685 is an apocalyptic number.

It is an amenable number.

23400685 is a deficient number, since it is larger than the sum of its proper divisors (14191955).

23400685 is a wasteful number, since it uses less digits than its factorization.

23400685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 23400685 is about 4837.4254516220. The cubic root of 23400685 is about 286.0286415641.

The spelling of 23400685 in words is "twenty-three million, four hundred thousand, six hundred eighty-five".