23229307920 has 160 divisors (see below), whose sum is σ = 88628827392. Its totient is φ = 4901124096.

The previous prime is 23229307879. The next prime is 23229307949. The reversal of 23229307920 is 2970392232.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509967 + ... + 553646.

Almost surely, 2^23229307920 is an apocalyptic number.

23229307920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23229307920 is an abundant number, since it is smaller than the sum of its proper divisors (65399519472).

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

23229307920 is a wasteful number, since it uses less digits than its factorization.

23229307920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063649 (or 1063643 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 23229307920 in words is "twenty-three billion, two hundred twenty-nine million, three hundred seven thousand, nine hundred twenty".