23837000557 has 2 divisors, whose sum is σ = 23837000558. Its totient is φ = 23837000556.

The previous prime is 23837000533. The next prime is 23837000587. The reversal of 23837000557 is 75500073832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20283171561 + 3553828996 = 142419^2 + 59614^2 .

It is a cyclic number.

It is not a de Polignac number, because 23837000557 - 2¹⁹ = 23836476269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23837000527) 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, 11918500278 + 11918500279.

It is an arithmetic number, because the mean of its divisors is an integer number (11918500279).

Almost surely, 2^23837000557 is an apocalyptic number.

It is an amenable number.

23837000557 is a deficient number, since it is larger than the sum of its proper divisors (1).

23837000557 is an equidigital number, since it uses as much as digits as its factorization.

23837000557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 23837000557 in words is "twenty-three billion, eight hundred thirty-seven million, five hundred fifty-seven", and thus it is an aban number.