12031033323 has 4 divisors (see below), whose sum is σ = 16041377768. Its totient is φ = 8020688880.

The previous prime is 12031033303. The next prime is 12031033327. The reversal of 12031033323 is 32333013021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32333013021 = 3 ⋅10777671007.

It is not a de Polignac number, because 12031033323 - 2¹⁶ = 12030967787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031033323.

It is not an unprimeable number, because it can be changed into a prime (12031033327) 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 3 ways as a sum of consecutive naturals, for example, 2005172218 + ... + 2005172223.

It is an arithmetic number, because the mean of its divisors is an integer number (4010344442).

Almost surely, 2^12031033323 is an apocalyptic number.

12031033323 is a deficient number, since it is larger than the sum of its proper divisors (4010344445).

12031033323 is an equidigital number, since it uses as much as digits as its factorization.

12031033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010344444.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12031033323 its reverse (32333013021), we get a palindrome (44364046344).

The spelling of 12031033323 in words is "twelve billion, thirty-one million, thirty-three thousand, three hundred twenty-three".