23575417961 has 2 divisors, whose sum is σ = 23575417962. Its totient is φ = 23575417960.

The previous prime is 23575417937. The next prime is 23575418003. The reversal of 23575417961 is 16971457532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21992890000 + 1582527961 = 148300^2 + 39781^2 .

It is a cyclic number.

It is not a de Polignac number, because 23575417961 - 2¹⁸ = 23575155817 is a prime.

It is not a weakly prime, because it can be changed into another prime (23575411961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11787708980 + 11787708981.

It is an arithmetic number, because the mean of its divisors is an integer number (11787708981).

Almost surely, 2^23575417961 is an apocalyptic number.

It is an amenable number.

23575417961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23575417961 is an equidigital number, since it uses as much as digits as its factorization.

23575417961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The spelling of 23575417961 in words is "twenty-three billion, five hundred seventy-five million, four hundred seventeen thousand, nine hundred sixty-one".