23097645577 has 2 divisors, whose sum is σ = 23097645578. Its totient is φ = 23097645576.

The previous prime is 23097645563. The next prime is 23097645581. The reversal of 23097645577 is 77554679032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18098589961 + 4999055616 = 134531^2 + 70704^2 .

It is a cyclic number.

It is not a de Polignac number, because 23097645577 - 2⁷ = 23097645449 is a prime.

It is not a weakly prime, because it can be changed into another prime (23097645517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11548822788 + 11548822789.

It is an arithmetic number, because the mean of its divisors is an integer number (11548822789).

Almost surely, 2^23097645577 is an apocalyptic number.

It is an amenable number.

23097645577 is a deficient number, since it is larger than the sum of its proper divisors (1).

23097645577 is an equidigital number, since it uses as much as digits as its factorization.

23097645577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 23097645577 in words is "twenty-three billion, ninety-seven million, six hundred forty-five thousand, five hundred seventy-seven".