23088590857 has 2 divisors, whose sum is σ = 23088590858. Its totient is φ = 23088590856.

The previous prime is 23088590831. The next prime is 23088590873. The reversal of 23088590857 is 75809588032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15544104976 + 7544485881 = 124676^2 + 86859^2 .

It is a cyclic number.

It is not a de Polignac number, because 23088590857 - 2¹⁹ = 23088066569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23088590798 and 23088590807.

It is not a weakly prime, because it can be changed into another prime (23088510857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11544295428 + 11544295429.

It is an arithmetic number, because the mean of its divisors is an integer number (11544295429).

Almost surely, 2^23088590857 is an apocalyptic number.

It is an amenable number.

23088590857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23088590857 is an equidigital number, since it uses as much as digits as its factorization.

23088590857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 23088590857 in words is "twenty-three billion, eighty-eight million, five hundred ninety thousand, eight hundred fifty-seven".