23399394 has 16 divisors (see below), whose sum is σ = 47682432. Its totient is φ = 7652528.

The previous prime is 23399381. The next prime is 23399401. The reversal of 23399394 is 49399332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36474 + ... + 37109.

It is an arithmetic number, because the mean of its divisors is an integer number (2980152).

Almost surely, 2^23399394 is an apocalyptic number.

23399394 is an abundant number, since it is smaller than the sum of its proper divisors (24283038).

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

23399394 is a wasteful number, since it uses less digits than its factorization.

23399394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73641.

The product of its digits is 157464, while the sum is 42.

The square root of 23399394 is about 4837.2920110326. The cubic root of 23399394 is about 286.0233814650.

The spelling of 23399394 in words is "twenty-three million, three hundred ninety-nine thousand, three hundred ninety-four".