23122613237 has 2 divisors, whose sum is σ = 23122613238. Its totient is φ = 23122613236.

The previous prime is 23122613233. The next prime is 23122613251. The reversal of 23122613237 is 73231622132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22535714161 + 586899076 = 150119^2 + 24226^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122613237 - 2² = 23122613233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23122613233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561306618 + 11561306619.

It is an arithmetic number, because the mean of its divisors is an integer number (11561306619).

Almost surely, 2^23122613237 is an apocalyptic number.

It is an amenable number.

23122613237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122613237 is an equidigital number, since it uses as much as digits as its factorization.

23122613237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The spelling of 23122613237 in words is "twenty-three billion, one hundred twenty-two million, six hundred thirteen thousand, two hundred thirty-seven".