23838509797731 has 6 divisors (see below), whose sum is σ = 34433403041180. Its totient is φ = 15892339865148.

The previous prime is 23838509797643. The next prime is 23838509797759. The reversal of 23838509797731 is 13779790583832.

23838509797731 is a `hidden beast` number, since 2 + 3 + 8 + 385 + 0 + 97 + 97 + 73 + 1 = 666.

It is not a de Polignac number, because 23838509797731 - 2¹³ = 23838509789539 is a prime.

It is a super-2 number, since 2×23838509797731² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23838509797731.

It is not an unprimeable number, because it can be changed into a prime (23838509597731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1324361655421 + ... + 1324361655438.

Almost surely, 2^{23838509797731} is an apocalyptic number.

23838509797731 is a deficient number, since it is larger than the sum of its proper divisors (10594893243449).

23838509797731 is a wasteful number, since it uses less digits than its factorization.

23838509797731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648723310865 (or 2648723310862 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

The spelling of 23838509797731 in words is "twenty-three trillion, eight hundred thirty-eight billion, five hundred nine million, seven hundred ninety-seven thousand, seven hundred thirty-one".