23404640432 has 20 divisors (see below), whose sum is σ = 45856004760. Its totient is φ = 11570832768.

The previous prime is 23404640419. The next prime is 23404640453.

23404640432 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216498 + ... + 8219345.

It is an arithmetic number, because the mean of its divisors is an integer number (2292800238).

Almost surely, 2^23404640432 is an apocalyptic number.

It is an amenable number.

23404640432 is a deficient number, since it is larger than the sum of its proper divisors (22451364328).

23404640432 is a wasteful number, since it uses less digits than its factorization.

23404640432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435940 (or 16435934 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

The spelling of 23404640432 in words is "twenty-three billion, four hundred four million, six hundred forty thousand, four hundred thirty-two".