23369917139 has 4 divisors (see below), whose sum is σ = 23939915160. Its totient is φ = 22799919120.

The previous prime is 23369917093. The next prime is 23369917147. The reversal of 23369917139 is 93171996332.

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 23369917139 - 2²⁰ = 23368868563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23369917159) 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, 284998949 + ... + 284999030.

It is an arithmetic number, because the mean of its divisors is an integer number (5984978790).

Almost surely, 2^23369917139 is an apocalyptic number.

23369917139 is a deficient number, since it is larger than the sum of its proper divisors (569998021).

23369917139 is an equidigital number, since it uses as much as digits as its factorization.

23369917139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569998020.

The product of its digits is 1653372, while the sum is 53.

The spelling of 23369917139 in words is "twenty-three billion, three hundred sixty-nine million, nine hundred seventeen thousand, one hundred thirty-nine".