12031001323 has 6 divisors (see below), whose sum is σ = 13224158612. Its totient is φ = 10937273820.

The previous prime is 12031001321. The next prime is 12031001341. The reversal of 12031001323 is 32310013021.

12031001323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12031001323 - 2¹ = 12031001321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031001297 and 12031001306.

It is not an unprimeable number, because it can be changed into a prime (12031001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49714761 + ... + 49715002.

Almost surely, 2^12031001323 is an apocalyptic number.

12031001323 is a deficient number, since it is larger than the sum of its proper divisors (1193157289).

12031001323 is an equidigital number, since it uses as much as digits as its factorization.

12031001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99429785 (or 99429774 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12031001323 its reverse (32310013021), we get a palindrome (44341014344).

The spelling of 12031001323 in words is "twelve billion, thirty-one million, one thousand, three hundred twenty-three".