23137153591 has 2 divisors, whose sum is σ = 23137153592. Its totient is φ = 23137153590.

The previous prime is 23137153573. The next prime is 23137153601. The reversal of 23137153591 is 19535173132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23137153591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23137156591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568576795 + 11568576796.

It is an arithmetic number, because the mean of its divisors is an integer number (11568576796).

Almost surely, 2^23137153591 is an apocalyptic number.

23137153591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137153591 is an equidigital number, since it uses as much as digits as its factorization.

23137153591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 40.

The spelling of 23137153591 in words is "twenty-three billion, one hundred thirty-seven million, one hundred fifty-three thousand, five hundred ninety-one".