12023130311331 has 4 divisors (see below), whose sum is σ = 16030840415112. Its totient is φ = 8015420207552.

The previous prime is 12023130311329. The next prime is 12023130311341. The reversal of 12023130311331 is 13311303132021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023130311331 - 2¹ = 12023130311329 is a prime.

It is a super-2 number, since 2×12023130311331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12023130311341) 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, 2003855051886 + ... + 2003855051891.

It is an arithmetic number, because the mean of its divisors is an integer number (4007710103778).

Almost surely, 2^{12023130311331} is an apocalyptic number.

12023130311331 is a deficient number, since it is larger than the sum of its proper divisors (4007710103781).

12023130311331 is an equidigital number, since it uses as much as digits as its factorization.

12023130311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007710103780.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12023130311331 its reverse (13311303132021), we get a palindrome (25334433443352).

The spelling of 12023130311331 in words is "twelve trillion, twenty-three billion, one hundred thirty million, three hundred eleven thousand, three hundred thirty-one".