23331131323 has 2 divisors, whose sum is σ = 23331131324. Its totient is φ = 23331131322.

The previous prime is 23331131287. The next prime is 23331131333. The reversal of 23331131323 is 32313113332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331131323 is a prime.

It is a super-2 number, since 2×23331131323² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23331131333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665565661 + 11665565662.

It is an arithmetic number, because the mean of its divisors is an integer number (11665565662).

Almost surely, 2^23331131323 is an apocalyptic number.

23331131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331131323 is an equidigital number, since it uses as much as digits as its factorization.

23331131323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 25.

Adding to 23331131323 its reverse (32313113332), we get a palindrome (55644244655).

The spelling of 23331131323 in words is "twenty-three billion, three hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".