12003321323 has 4 divisors (see below), whose sum is σ = 13718081520. Its totient is φ = 10288561128.

The previous prime is 12003321229. The next prime is 12003321349. The reversal of 12003321323 is 32312330021.

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 12003321323 - 2¹⁰ = 12003320299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003321295 and 12003321304.

It is not an unprimeable number, because it can be changed into a prime (12003321373) 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, 857380088 + ... + 857380101.

It is an arithmetic number, because the mean of its divisors is an integer number (3429520380).

Almost surely, 2^12003321323 is an apocalyptic number.

12003321323 is a deficient number, since it is larger than the sum of its proper divisors (1714760197).

12003321323 is an equidigital number, since it uses as much as digits as its factorization.

12003321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714760196.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12003321323 its reverse (32312330021), we get a palindrome (44315651344).

The spelling of 12003321323 in words is "twelve billion, three million, three hundred twenty-one thousand, three hundred twenty-three".