23810528531 has 2 divisors, whose sum is σ = 23810528532. Its totient is φ = 23810528530.

The previous prime is 23810528383. The next prime is 23810528543. The reversal of 23810528531 is 13582501832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23810528531 is a prime.

It is a super-2 number, since 2×23810528531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23810528591) 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, 11905264265 + 11905264266.

It is an arithmetic number, because the mean of its divisors is an integer number (11905264266).

Almost surely, 2^23810528531 is an apocalyptic number.

23810528531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23810528531 is an equidigital number, since it uses as much as digits as its factorization.

23810528531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 23810528531 in words is "twenty-three billion, eight hundred ten million, five hundred twenty-eight thousand, five hundred thirty-one".