23317761662231 has 2 divisors, whose sum is σ = 23317761662232. Its totient is φ = 23317761662230.

The previous prime is 23317761662207. The next prime is 23317761662287. The reversal of 23317761662231 is 13226616771332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23317761662231 is a prime.

It is a super-2 number, since 2×23317761662231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23317761662231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23317761668231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11658880831115 + 11658880831116.

It is an arithmetic number, because the mean of its divisors is an integer number (11658880831116).

Almost surely, 2^{23317761662231} is an apocalyptic number.

23317761662231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23317761662231 is an equidigital number, since it uses as much as digits as its factorization.

23317761662231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 50.

The spelling of 23317761662231 in words is "twenty-three trillion, three hundred seventeen billion, seven hundred sixty-one million, six hundred sixty-two thousand, two hundred thirty-one".