23912297 has 2 divisors, whose sum is σ = 23912298. Its totient is φ = 23912296.

The previous prime is 23912293. The next prime is 23912321. The reversal of 23912297 is 79221932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 8826841 = 3884^2 + 2971^2 .

It is a cyclic number.

It is not a de Polignac number, because 23912297 - 2² = 23912293 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23912293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11956148 + 11956149.

It is an arithmetic number, because the mean of its divisors is an integer number (11956149).

Almost surely, 2^23912297 is an apocalyptic number.

It is an amenable number.

23912297 is a deficient number, since it is larger than the sum of its proper divisors (1).

23912297 is an equidigital number, since it uses as much as digits as its factorization.

23912297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 23912297 is about 4890.0201431078. The cubic root of 23912297 is about 288.0981251607.

The spelling of 23912297 in words is "twenty-three million, nine hundred twelve thousand, two hundred ninety-seven".