23886868831 has 16 divisors (see below), whose sum is σ = 28010382400. Its totient is φ = 20361287520.

The previous prime is 23886868807. The next prime is 23886868849. The reversal of 23886868831 is 13886868832.

It is not a de Polignac number, because 23886868831 - 2²¹ = 23884771679 is a prime.

It is a super-2 number, since 2×23886868831² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23886868831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23886868531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130296 + ... + 254461.

It is an arithmetic number, because the mean of its divisors is an integer number (1750648900).

Almost surely, 2^23886868831 is an apocalyptic number.

23886868831 is a deficient number, since it is larger than the sum of its proper divisors (4123513569).

23886868831 is an equidigital number, since it uses as much as digits as its factorization.

23886868831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384959 (or 384945 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 61.

Subtracting from 23886868831 its reverse (13886868832), we obtain a palindrome (9999999999).

The spelling of 23886868831 in words is "twenty-three billion, eight hundred eighty-six million, eight hundred sixty-eight thousand, eight hundred thirty-one".