23272979 has 2 divisors, whose sum is σ = 23272980. Its totient is φ = 23272978.

The previous prime is 23272973. The next prime is 23272999. The reversal of 23272979 is 97927232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23272979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23272973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11636489 + 11636490.

It is an arithmetic number, because the mean of its divisors is an integer number (11636490).

Almost surely, 2^23272979 is an apocalyptic number.

23272979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23272979 is an equidigital number, since it uses as much as digits as its factorization.

23272979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 23272979 is about 4824.2076033272. The cubic root of 23272979 is about 285.5073715819.

The spelling of 23272979 in words is "twenty-three million, two hundred seventy-two thousand, nine hundred seventy-nine".