12323011111231 has 16 divisors (see below), whose sum is σ = 13150999572480. Its totient is φ = 11506483900800.

The previous prime is 12323011111219. The next prime is 12323011111261. The reversal of 12323011111231 is 13211111032321.

It is a cyclic number.

It is not a de Polignac number, because 12323011111231 - 2²³ = 12323002722623 is a prime.

It is a super-2 number, since 2×12323011111231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323011111261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118371280 + ... + 118475338.

It is an arithmetic number, because the mean of its divisors is an integer number (821937473280).

Almost surely, 2^{12323011111231} is an apocalyptic number.

12323011111231 is a deficient number, since it is larger than the sum of its proper divisors (827988461249).

12323011111231 is a wasteful number, since it uses less digits than its factorization.

12323011111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159054.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12323011111231 its reverse (13211111032321), we get a palindrome (25534122143552).

The spelling of 12323011111231 in words is "twelve trillion, three hundred twenty-three billion, eleven million, one hundred eleven thousand, two hundred thirty-one".