23846511979 has 4 divisors (see below), whose sum is σ = 24082616160. Its totient is φ = 23610407800.

The previous prime is 23846511977. The next prime is 23846511989. The reversal of 23846511979 is 97911564832.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23846511979 - 2¹ = 23846511977 is a prime.

It is a super-2 number, since 2×23846511979² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23846511973) 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, 118051939 + ... + 118052140.

It is an arithmetic number, because the mean of its divisors is an integer number (6020654040).

Almost surely, 2^23846511979 is an apocalyptic number.

23846511979 is a deficient number, since it is larger than the sum of its proper divisors (236104181).

23846511979 is a wasteful number, since it uses less digits than its factorization.

23846511979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236104180.

The product of its digits is 3265920, while the sum is 55.

The spelling of 23846511979 in words is "twenty-three billion, eight hundred forty-six million, five hundred eleven thousand, nine hundred seventy-nine".