12311332231023 has 24 divisors (see below), whose sum is σ = 20412999804288. Its totient is φ = 7004055584592.

The previous prime is 12311332231019. The next prime is 12311332231049. The reversal of 12311332231023 is 32013223311321.

12311332231023 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 1 + 3 + 322 + 310 + 23 = 666.

It is not a de Polignac number, because 12311332231023 - 2² = 12311332231019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311332239023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430421761 + ... + 430450362.

It is an arithmetic number, because the mean of its divisors is an integer number (850541658512).

Almost surely, 2^{12311332231023} is an apocalyptic number.

12311332231023 is a deficient number, since it is larger than the sum of its proper divisors (8101667573265).

12311332231023 is a wasteful number, since it uses less digits than its factorization.

12311332231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860872363 (or 860872360 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12311332231023 its reverse (32013223311321), we get a palindrome (44324555542344).

The spelling of 12311332231023 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-two million, two hundred thirty-one thousand, twenty-three".