23113210157 has 2 divisors, whose sum is σ = 23113210158. Its totient is φ = 23113210156.

The previous prime is 23113210151. The next prime is 23113210213. The reversal of 23113210157 is 75101231132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18815883241 + 4297326916 = 137171^2 + 65554^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113210157 - 2⁸ = 23113209901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113210151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556605078 + 11556605079.

It is an arithmetic number, because the mean of its divisors is an integer number (11556605079).

Almost surely, 2^23113210157 is an apocalyptic number.

It is an amenable number.

23113210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113210157 is an equidigital number, since it uses as much as digits as its factorization.

23113210157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 23113210157 its reverse (75101231132), we get a palindrome (98214441289).

The spelling of 23113210157 in words is "twenty-three billion, one hundred thirteen million, two hundred ten thousand, one hundred fifty-seven".