23306972 has 24 divisors (see below), whose sum is σ = 44060016. Its totient is φ = 10723968.

The previous prime is 23306963. The next prime is 23306993. The reversal of 23306972 is 27960332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 26768 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (1835834).

Almost surely, 2^23306972 is an apocalyptic number.

It is an amenable number.

23306972 is a deficient number, since it is larger than the sum of its proper divisors (20753044).

23306972 is a wasteful number, since it uses less digits than its factorization.

23306972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 23306972 is about 4827.7294870363. The cubic root of 23306972 is about 285.6463099717.

The spelling of 23306972 in words is "twenty-three million, three hundred six thousand, nine hundred seventy-two".