23288957 has 2 divisors, whose sum is σ = 23288958. Its totient is φ = 23288956.

The previous prime is 23288921. The next prime is 23288959. The reversal of 23288957 is 75988232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 383161 = 4786^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 23288957 - 2⁸ = 23288701 is a prime.

Together with 23288959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23288959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11644478 + 11644479.

It is an arithmetic number, because the mean of its divisors is an integer number (11644479).

Almost surely, 2^23288957 is an apocalyptic number.

It is an amenable number.

23288957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23288957 is an equidigital number, since it uses as much as digits as its factorization.

23288957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 23288957 is about 4825.8633424497. The cubic root of 23288957 is about 285.5726947364.

The spelling of 23288957 in words is "twenty-three million, two hundred eighty-eight thousand, nine hundred fifty-seven".