23902297 has 2 divisors, whose sum is σ = 23902298. Its totient is φ = 23902296.

The previous prime is 23902261. The next prime is 23902309. The reversal of 23902297 is 79220932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 48841 = 4884^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 23902297 - 2⁷ = 23902169 is a prime.

It is not a weakly prime, because it can be changed into another prime (23902217) 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 as a sum of consecutive naturals, namely, 11951148 + 11951149.

It is an arithmetic number, because the mean of its divisors is an integer number (11951149).

Almost surely, 2^23902297 is an apocalyptic number.

It is an amenable number.

23902297 is a deficient number, since it is larger than the sum of its proper divisors (1).

23902297 is an equidigital number, since it uses as much as digits as its factorization.

23902297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23902297 is about 4888.9975455097. The cubic root of 23902297 is about 288.0579591749.

The spelling of 23902297 in words is "twenty-three million, nine hundred two thousand, two hundred ninety-seven".