23775824731 has 2 divisors, whose sum is σ = 23775824732. Its totient is φ = 23775824730.

The previous prime is 23775824713. The next prime is 23775824747. The reversal of 23775824731 is 13742857732.

Together with previous prime (23775824713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23775824731 - 2¹⁷ = 23775693659 is a prime.

It is a super-2 number, since 2×23775824731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23775824701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887912365 + 11887912366.

It is an arithmetic number, because the mean of its divisors is an integer number (11887912366).

Almost surely, 2^23775824731 is an apocalyptic number.

23775824731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23775824731 is an equidigital number, since it uses as much as digits as its factorization.

23775824731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 49.

The spelling of 23775824731 in words is "twenty-three billion, seven hundred seventy-five million, eight hundred twenty-four thousand, seven hundred thirty-one".