23239338393 has 4 divisors (see below), whose sum is σ = 30985784528. Its totient is φ = 15492892260.

The previous prime is 23239338389. The next prime is 23239338401. The reversal of 23239338393 is 39383393232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23239338393 - 2² = 23239338389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23239338313) 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, 3873223063 + ... + 3873223068.

It is an arithmetic number, because the mean of its divisors is an integer number (7746446132).

Almost surely, 2^23239338393 is an apocalyptic number.

It is an amenable number.

23239338393 is a deficient number, since it is larger than the sum of its proper divisors (7746446135).

23239338393 is an equidigital number, since it uses as much as digits as its factorization.

23239338393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746446134.

The product of its digits is 1889568, while the sum is 48.

The spelling of 23239338393 in words is "twenty-three billion, two hundred thirty-nine million, three hundred thirty-eight thousand, three hundred ninety-three".