12031022023 has 4 divisors (see below), whose sum is σ = 12118839840. Its totient is φ = 11943204208.

The previous prime is 12031022021. The next prime is 12031022027. The reversal of 12031022023 is 32022013021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32022013021 = 1297 ⋅24689293.

It is a cyclic number.

It is not a de Polignac number, because 12031022023 - 2¹ = 12031022021 is a prime.

It is a super-2 number, since 2×12031022023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031021988 and 12031022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43908703 + ... + 43908976.

It is an arithmetic number, because the mean of its divisors is an integer number (3029709960).

Almost surely, 2^12031022023 is an apocalyptic number.

12031022023 is a deficient number, since it is larger than the sum of its proper divisors (87817817).

12031022023 is an equidigital number, since it uses as much as digits as its factorization.

12031022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87817816.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12031022023 its reverse (32022013021), we get a palindrome (44053035044).

The spelling of 12031022023 in words is "twelve billion, thirty-one million, twenty-two thousand, twenty-three".