23603599615957 has 2 divisors, whose sum is σ = 23603599615958. Its totient is φ = 23603599615956.

The previous prime is 23603599615933. The next prime is 23603599615979. The reversal of 23603599615957 is 75951699530632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22765484999761 + 838114616196 = 4771319^2 + 915486^2 .

It is a cyclic number.

It is not a de Polignac number, because 23603599615957 - 2³⁹ = 23053843802069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23603599615987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11801799807978 + 11801799807979.

It is an arithmetic number, because the mean of its divisors is an integer number (11801799807979).

Almost surely, 2^{23603599615957} is an apocalyptic number.

It is an amenable number.

23603599615957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23603599615957 is an equidigital number, since it uses as much as digits as its factorization.

23603599615957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 413343000, while the sum is 70.

The spelling of 23603599615957 in words is "twenty-three trillion, six hundred three billion, five hundred ninety-nine million, six hundred fifteen thousand, nine hundred fifty-seven".