23312402331 has 8 divisors (see below), whose sum is σ = 31085184000. Its totient is φ = 15540611112.

The previous prime is 23312402303. The next prime is 23312402381. The reversal of 23312402331 is 13320421332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23312402331 - 2²³ = 23304013723 is a prime.

It is a super-2 number, since 2×23312402331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23312402381) 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 7 ways as a sum of consecutive naturals, for example, 190831 + ... + 288168.

It is an arithmetic number, because the mean of its divisors is an integer number (3885648000).

Almost surely, 2^23312402331 is an apocalyptic number.

23312402331 is a deficient number, since it is larger than the sum of its proper divisors (7772781669).

23312402331 is a wasteful number, since it uses less digits than its factorization.

23312402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495225.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23312402331 its reverse (13320421332), we get a palindrome (36632823663).

The spelling of 23312402331 in words is "twenty-three billion, three hundred twelve million, four hundred two thousand, three hundred thirty-one".