23896925257 has 2 divisors, whose sum is σ = 23896925258. Its totient is φ = 23896925256.

The previous prime is 23896925237. The next prime is 23896925333. The reversal of 23896925257 is 75252969832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23737256761 + 159668496 = 154069^2 + 12636^2 .

It is a cyclic number.

It is not a de Polignac number, because 23896925257 - 2²³ = 23888536649 is a prime.

It is not a weakly prime, because it can be changed into another prime (23896925237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11948462628 + 11948462629.

It is an arithmetic number, because the mean of its divisors is an integer number (11948462629).

Almost surely, 2^23896925257 is an apocalyptic number.

It is an amenable number.

23896925257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23896925257 is an equidigital number, since it uses as much as digits as its factorization.

23896925257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 58.

The spelling of 23896925257 in words is "twenty-three billion, eight hundred ninety-six million, nine hundred twenty-five thousand, two hundred fifty-seven".