23199540432 has 40 divisors (see below), whose sum is σ = 61865445120. Its totient is φ = 7483722240.

The previous prime is 23199540347. The next prime is 23199540439. The reversal of 23199540432 is 23404599132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23199540439) 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 7 ways as a sum of consecutive naturals, for example, 7794057 + ... + 7797032.

It is an arithmetic number, because the mean of its divisors is an integer number (1546636128).

Almost surely, 2^23199540432 is an apocalyptic number.

It is an amenable number.

23199540432 is an abundant number, since it is smaller than the sum of its proper divisors (38665904688).

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

23199540432 is a wasteful number, since it uses less digits than its factorization.

23199540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591131 (or 15591125 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 23199540432 in words is "twenty-three billion, one hundred ninety-nine million, five hundred forty thousand, four hundred thirty-two".