23181099160 has 32 divisors (see below), whose sum is σ = 52161832800. Its totient is φ = 9271664640.

The previous prime is 23181099157. The next prime is 23181099197. The reversal of 23181099160 is 6199018132.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848920 + ... + 875800.

It is an arithmetic number, because the mean of its divisors is an integer number (1630057275).

Almost surely, 2^23181099160 is an apocalyptic number.

23181099160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23181099160 is an abundant number, since it is smaller than the sum of its proper divisors (28980733640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23181099160 is a wasteful number, since it uses less digits than its factorization.

23181099160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48451 (or 48447 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 23181099160 in words is "twenty-three billion, one hundred eighty-one million, ninety-nine thousand, one hundred sixty".