12003320023 has 24 divisors (see below), whose sum is σ = 12845998800. Its totient is φ = 11201541120.

The previous prime is 12003319973. The next prime is 12003320039. The reversal of 12003320023 is 32002330021.

12003320023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12003320023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003319979 and 12003320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003320093) 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 23 ways as a sum of consecutive naturals, for example, 5507548 + ... + 5509726.

It is an arithmetic number, because the mean of its divisors is an integer number (535249950).

Almost surely, 2^12003320023 is an apocalyptic number.

12003320023 is a deficient number, since it is larger than the sum of its proper divisors (842678777).

12003320023 is a wasteful number, since it uses less digits than its factorization.

12003320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12003320023 its reverse (32002330021), we get a palindrome (44005650044).

The spelling of 12003320023 in words is "twelve billion, three million, three hundred twenty thousand, twenty-three".