23168406855 has 32 divisors (see below), whose sum is σ = 40446874368. Its totient is φ = 11231091200.

The previous prime is 23168406847. The next prime is 23168406857. The reversal of 23168406855 is 55860486132.

It is a happy number.

It is not a de Polignac number, because 23168406855 - 2³ = 23168406847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23168406857) 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 in 31 ways as a sum of consecutive naturals, for example, 1259887 + ... + 1278143.

It is an arithmetic number, because the mean of its divisors is an integer number (1263964824).

Almost surely, 2^23168406855 is an apocalyptic number.

23168406855 is a deficient number, since it is larger than the sum of its proper divisors (17278467513).

23168406855 is a wasteful number, since it uses less digits than its factorization.

23168406855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25967.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 23168406855 in words is "twenty-three billion, one hundred sixty-eight million, four hundred six thousand, eight hundred fifty-five".