23989211408 has 20 divisors (see below), whose sum is σ = 46628557248. Its totient is φ = 11956035360.

The previous prime is 23989211401. The next prime is 23989211473. The reversal of 23989211408 is 80411298932.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23989211401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405516 + ... + 2415467.

Almost surely, 2^23989211408 is an apocalyptic number.

It is an amenable number.

23989211408 is a deficient number, since it is larger than the sum of its proper divisors (22639345840).

23989211408 is a wasteful number, since it uses less digits than its factorization.

23989211408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821302 (or 4821296 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 23989211408 in words is "twenty-three billion, nine hundred eighty-nine million, two hundred eleven thousand, four hundred eight".