12331312323233 has 4 divisors (see below), whose sum is σ = 12337778666160. Its totient is φ = 12324845980308.

The previous prime is 12331312323203. The next prime is 12331312323307. The reversal of 12331312323233 is 33232321313321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12331312323233 - 2²⁶ = 12331245214369 is a prime.

It is a super-2 number, since 2×12331312323233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12331312323233.

It is not an unprimeable number, because it can be changed into a prime (12331312323203) 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, 3233168603 + ... + 3233172416.

It is an arithmetic number, because the mean of its divisors is an integer number (3084444666540).

Almost surely, 2^{12331312323233} is an apocalyptic number.

It is an amenable number.

12331312323233 is a deficient number, since it is larger than the sum of its proper divisors (6466342927).

12331312323233 is an equidigital number, since it uses as much as digits as its factorization.

12331312323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466342926.

The product of its digits is 34992, while the sum is 32.

Adding to 12331312323233 its reverse (33232321313321), we get a palindrome (45563633636554).

The spelling of 12331312323233 in words is "twelve trillion, three hundred thirty-one billion, three hundred twelve million, three hundred twenty-three thousand, two hundred thirty-three".