23672172 has 24 divisors (see below), whose sum is σ = 56061376. Its totient is φ = 7772688.

The previous prime is 23672153. The next prime is 23672179. The reversal of 23672172 is 27127632.

It is not an unprimeable number, because it can be changed into a prime (23672179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 15525.

Almost surely, 2^23672172 is an apocalyptic number.

It is an amenable number.

23672172 is an abundant number, since it is smaller than the sum of its proper divisors (32389204).

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

23672172 is a wasteful number, since it uses less digits than its factorization.

23672172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29517 (or 29515 counting only the distinct ones).

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

The square root of 23672172 is about 4865.4056357101. The cubic root of 23672172 is about 287.1305277814.

The spelling of 23672172 in words is "twenty-three million, six hundred seventy-two thousand, one hundred seventy-two".