23117502757 has 2 divisors, whose sum is σ = 23117502758. Its totient is φ = 23117502756.

The previous prime is 23117502739. The next prime is 23117502761. The reversal of 23117502757 is 75720571132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13080268161 + 10037234596 = 114369^2 + 100186^2 .

It is a cyclic number.

It is not a de Polignac number, because 23117502757 - 2¹⁵ = 23117469989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23117542757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558751378 + 11558751379.

It is an arithmetic number, because the mean of its divisors is an integer number (11558751379).

Almost surely, 2^23117502757 is an apocalyptic number.

It is an amenable number.

23117502757 is a deficient number, since it is larger than the sum of its proper divisors (1).

23117502757 is an equidigital number, since it uses as much as digits as its factorization.

23117502757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 23117502757 in words is "twenty-three billion, one hundred seventeen million, five hundred two thousand, seven hundred fifty-seven".