23231787717 has 12 divisors (see below), whose sum is σ = 32007170400. Its totient is φ = 14988248280.

The previous prime is 23231787707. The next prime is 23231787737. The reversal of 23231787717 is 71778713232.

It is not a de Polignac number, because 23231787717 - 2⁷ = 23231787589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231787707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026217 + ... + 4031982.

It is an arithmetic number, because the mean of its divisors is an integer number (2667264200).

Almost surely, 2^23231787717 is an apocalyptic number.

It is an amenable number.

23231787717 is a deficient number, since it is larger than the sum of its proper divisors (8775382683).

23231787717 is an equidigital number, since it uses as much as digits as its factorization.

23231787717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058264 (or 8058233 counting only the distinct ones).

The product of its digits is 691488, while the sum is 48.

The spelling of 23231787717 in words is "twenty-three billion, two hundred thirty-one million, seven hundred eighty-seven thousand, seven hundred seventeen".