23365532731 has 2 divisors, whose sum is σ = 23365532732. Its totient is φ = 23365532730.

The previous prime is 23365532699. The next prime is 23365532747. The reversal of 23365532731 is 13723556332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23365532731 - 2⁵ = 23365532699 is a prime.

It is a super-2 number, since 2×23365532731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23365532791) 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, 11682766365 + 11682766366.

It is an arithmetic number, because the mean of its divisors is an integer number (11682766366).

Almost surely, 2^23365532731 is an apocalyptic number.

23365532731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23365532731 is an equidigital number, since it uses as much as digits as its factorization.

23365532731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 40.

The spelling of 23365532731 in words is "twenty-three billion, three hundred sixty-five million, five hundred thirty-two thousand, seven hundred thirty-one".