91936025023 has 2 divisors, whose sum is σ = 91936025024. Its totient is φ = 91936025022.

The previous prime is 91936024987. The next prime is 91936025047. The reversal of 91936025023 is 32052063919.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91936025023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91936095023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45968012511 + 45968012512.

It is an arithmetic number, because the mean of its divisors is an integer number (45968012512).

Almost surely, 2^91936025023 is an apocalyptic number.

91936025023 is a deficient number, since it is larger than the sum of its proper divisors (1).

91936025023 is an equidigital number, since it uses as much as digits as its factorization.

91936025023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 91936025023 in words is "ninety-one billion, nine hundred thirty-six million, twenty-five thousand, twenty-three".