23113631173 has 2 divisors, whose sum is σ = 23113631174. Its totient is φ = 23113631172.

The previous prime is 23113631117. The next prime is 23113631179. The reversal of 23113631173 is 37113631132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21008473249 + 2105157924 = 144943^2 + 45882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113631173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113631179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556815586 + 11556815587.

It is an arithmetic number, because the mean of its divisors is an integer number (11556815587).

Almost surely, 2^23113631173 is an apocalyptic number.

It is an amenable number.

23113631173 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113631173 is an equidigital number, since it uses as much as digits as its factorization.

23113631173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The spelling of 23113631173 in words is "twenty-three billion, one hundred thirteen million, six hundred thirty-one thousand, one hundred seventy-three".