12031323003 has 24 divisors (see below), whose sum is σ = 20546104800. Its totient is φ = 6637970304.

The previous prime is 12031322993. The next prime is 12031323019. The reversal of 12031323003 is 30032313021.

12031323003 is a `hidden beast` number, since 120 + 313 + 230 + 0 + 3 = 666.

It is not a de Polignac number, because 12031323003 - 2⁵ = 12031322971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031323043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3290818 + ... + 3294471.

It is an arithmetic number, because the mean of its divisors is an integer number (856087700).

Almost surely, 2^12031323003 is an apocalyptic number.

12031323003 is a deficient number, since it is larger than the sum of its proper divisors (8514781797).

12031323003 is a wasteful number, since it uses less digits than its factorization.

12031323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585331 (or 6585328 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12031323003 its reverse (30032313021), we get a palindrome (42063636024).

The spelling of 12031323003 in words is "twelve billion, thirty-one million, three hundred twenty-three thousand, three".