23994328979 has 4 divisors (see below), whose sum is σ = 24002557584. Its totient is φ = 23986100376.

The previous prime is 23994328973. The next prime is 23994329011. The reversal of 23994328979 is 97982349932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23994328979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23994328973) 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, 4109927 + ... + 4115760.

It is an arithmetic number, because the mean of its divisors is an integer number (6000639396).

Almost surely, 2^23994328979 is an apocalyptic number.

23994328979 is a deficient number, since it is larger than the sum of its proper divisors (8228605).

23994328979 is an equidigital number, since it uses as much as digits as its factorization.

23994328979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228604.

The product of its digits is 52907904, while the sum is 65.

The spelling of 23994328979 in words is "twenty-three billion, nine hundred ninety-four million, three hundred twenty-eight thousand, nine hundred seventy-nine".