12011313023 has 16 divisors (see below), whose sum is σ = 12987448320. Its totient is φ = 11079772704.

The previous prime is 12011313007. The next prime is 12011313029. The reversal of 12011313023 is 32031311021.

It is not a de Polignac number, because 12011313023 - 2⁴ = 12011313007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011312992 and 12011313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011313029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265 + ... + 154997.

It is an arithmetic number, because the mean of its divisors is an integer number (811715520).

Almost surely, 2^12011313023 is an apocalyptic number.

12011313023 is a deficient number, since it is larger than the sum of its proper divisors (976135297).

12011313023 is a wasteful number, since it uses less digits than its factorization.

12011313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153878.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12011313023 its reverse (32031311021), we get a palindrome (44042624044).

The spelling of 12011313023 in words is "twelve billion, eleven million, three hundred thirteen thousand, twenty-three".