23313311233 has 6 divisors (see below), whose sum is σ = 24765351686. Its totient is φ = 21941939712.

The previous prime is 23313311209. The next prime is 23313311251. The reversal of 23313311233 is 33211331332.

It can be written as a sum of positive squares in 3 ways, for example, as 9020630529 + 14292680704 = 94977^2 + 119552^2 .

It is not a de Polignac number, because 23313311233 - 2³³ = 14723376641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23313311198 and 23313311207.

It is not an unprimeable number, because it can be changed into a prime (23313311293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40334160 + ... + 40334737.

Almost surely, 2^23313311233 is an apocalyptic number.

It is an amenable number.

23313311233 is a deficient number, since it is larger than the sum of its proper divisors (1452040453).

23313311233 is an equidigital number, since it uses as much as digits as its factorization.

23313311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80668931 (or 80668914 counting only the distinct ones).

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

Adding to 23313311233 its reverse (33211331332), we get a palindrome (56524642565).

The spelling of 23313311233 in words is "twenty-three billion, three hundred thirteen million, three hundred eleven thousand, two hundred thirty-three".