23129792319 has 4 divisors (see below), whose sum is σ = 30839723096. Its totient is φ = 15419861544.

The previous prime is 23129792311. The next prime is 23129792347. The reversal of 23129792319 is 91329792132.

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

It is not a de Polignac number, because 23129792319 - 2³ = 23129792311 is a prime.

It is a super-2 number, since 2×23129792319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129792311) 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, 3854965384 + ... + 3854965389.

It is an arithmetic number, because the mean of its divisors is an integer number (7709930774).

Almost surely, 2^23129792319 is an apocalyptic number.

23129792319 is a deficient number, since it is larger than the sum of its proper divisors (7709930777).

23129792319 is an equidigital number, since it uses as much as digits as its factorization.

23129792319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709930776.

The product of its digits is 367416, while the sum is 48.

The spelling of 23129792319 in words is "twenty-three billion, one hundred twenty-nine million, seven hundred ninety-two thousand, three hundred nineteen".