23405232 has 40 divisors (see below), whose sum is σ = 60712384. Its totient is φ = 7769664.

The previous prime is 23405203. The next prime is 23405257. The reversal of 23405232 is 23250432.

It is a junction number, because it is equal to n+sod(n) for n = 23405199 and 23405208.

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, 12723 + ... + 14445.

Almost surely, 2^23405232 is an apocalyptic number.

It is an amenable number.

23405232 is an abundant number, since it is smaller than the sum of its proper divisors (37307152).

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

23405232 is a wasteful number, since it uses less digits than its factorization.

23405232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23405232 is about 4837.8954101965. The cubic root of 23405232 is about 286.0471664919.

Adding to 23405232 its reverse (23250432), we get a palindrome (46655664).

The spelling of 23405232 in words is "twenty-three million, four hundred five thousand, two hundred thirty-two".