23432679872 has 56 divisors (see below), whose sum is σ = 53207533920. Its totient is φ = 10030187520.

The previous prime is 23432679871. The next prime is 23432679899. The reversal of 23432679872 is 27897623432.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432679871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335954 + ... + 399662.

Almost surely, 2^23432679872 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 23432679872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26603766960).

23432679872 is an abundant number, since it is smaller than the sum of its proper divisors (29774854048).

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

23432679872 is an equidigital number, since it uses as much as digits as its factorization.

23432679872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64549 (or 64539 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The spelling of 23432679872 in words is "twenty-three billion, four hundred thirty-two million, six hundred seventy-nine thousand, eight hundred seventy-two".