23216500432 has 80 divisors (see below), whose sum is σ = 48070262592. Its totient is φ = 10824468480.

The previous prime is 23216500429. The next prime is 23216500457. The reversal of 23216500432 is 23400561232.

It is a self number, because there is not a number n which added to its sum of digits gives 23216500432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15163507 + ... + 15165037.

Almost surely, 2^23216500432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23216500432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24035131296).

23216500432 is an abundant number, since it is smaller than the sum of its proper divisors (24853762160).

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

23216500432 is a wasteful number, since it uses less digits than its factorization.

23216500432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 23216500432 in words is "twenty-three billion, two hundred sixteen million, five hundred thousand, four hundred thirty-two".