23432732520 has 32 divisors (see below), whose sum is σ = 70298197920. Its totient is φ = 6248728640.

The previous prime is 23432732513. The next prime is 23432732539. The reversal of 23432732520 is 2523723432.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 97636266 + ... + 97636505.

It is an arithmetic number, because the mean of its divisors is an integer number (2196818685).

Almost surely, 2^23432732520 is an apocalyptic number.

23432732520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432732520 is an abundant number, since it is smaller than the sum of its proper divisors (46865465400).

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

23432732520 is a wasteful number, since it uses less digits than its factorization.

23432732520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195272785 (or 195272781 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 33.

The spelling of 23432732520 in words is "twenty-three billion, four hundred thirty-two million, seven hundred thirty-two thousand, five hundred twenty".