23420572 has 12 divisors (see below), whose sum is σ = 46841200. Its totient is φ = 10037376.

The previous prime is 23420569. The next prime is 23420599. The reversal of 23420572 is 27502432.

23420572 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418197 + ... + 418252.

Almost surely, 2^23420572 is an apocalyptic number.

It is an amenable number.

23420572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23420572 is a wasteful number, since it uses less digits than its factorization.

23420572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836460 (or 836458 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23420572 is about 4839.4805506376. The cubic root of 23420572 is about 286.1096454745.

The spelling of 23420572 in words is "twenty-three million, four hundred twenty thousand, five hundred seventy-two".