23816388855 has 32 divisors (see below), whose sum is σ = 43617821184. Its totient is φ = 10870528896.

The previous prime is 23816388851. The next prime is 23816388857. The reversal of 23816388855 is 55888361832.

It is a happy number.

It is not a de Polignac number, because 23816388855 - 2² = 23816388851 is a prime.

It is a super-2 number, since 2×23816388855² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23816388795 and 23816388804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23816388851) 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 in 31 ways as a sum of consecutive naturals, for example, 108864 + ... + 243893.

It is an arithmetic number, because the mean of its divisors is an integer number (1363056912).

Almost surely, 2^23816388855 is an apocalyptic number.

23816388855 is a deficient number, since it is larger than the sum of its proper divisors (19801432329).

23816388855 is a wasteful number, since it uses less digits than its factorization.

23816388855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353415.

The product of its digits is 11059200, while the sum is 57.

The spelling of 23816388855 in words is "twenty-three billion, eight hundred sixteen million, three hundred eighty-eight thousand, eight hundred fifty-five".