23131473319 has 4 divisors (see below), whose sum is σ = 23929110360. Its totient is φ = 22333836280.

The previous prime is 23131473311. The next prime is 23131473331. The reversal of 23131473319 is 91337413132.

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 23131473319 - 2³ = 23131473311 is a prime.

It is a super-2 number, since 2×23131473319² (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 (23131473311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398818477 + ... + 398818534.

It is an arithmetic number, because the mean of its divisors is an integer number (5982277590).

Almost surely, 2^23131473319 is an apocalyptic number.

23131473319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23131473319 is a deficient number, since it is larger than the sum of its proper divisors (797637041).

23131473319 is an equidigital number, since it uses as much as digits as its factorization.

23131473319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797637040.

The product of its digits is 40824, while the sum is 37.

The spelling of 23131473319 in words is "twenty-three billion, one hundred thirty-one million, four hundred seventy-three thousand, three hundred nineteen".