23172672 has 28 divisors (see below), whose sum is σ = 61311536. Its totient is φ = 7724160.

The previous prime is 23172671. The next prime is 23172689. The reversal of 23172672 is 27627132.

It is not an unprimeable number, because it can be changed into a prime (23172671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60154 + ... + 60537.

Almost surely, 2^23172672 is an apocalyptic number.

It is an amenable number.

23172672 is an abundant number, since it is smaller than the sum of its proper divisors (38138864).

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

23172672 is a wasteful number, since it uses less digits than its factorization.

23172672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120706 (or 120696 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 23172672 is about 4813.8001620341. The cubic root of 23172672 is about 285.0966000640.

The spelling of 23172672 in words is "twenty-three million, one hundred seventy-two thousand, six hundred seventy-two".