12003220323 has 24 divisors (see below), whose sum is σ = 17426652672. Its totient is φ = 7961305968.

The previous prime is 12003220301. The next prime is 12003220331. The reversal of 12003220323 is 32302230021.

It is a happy number.

12003220323 is a `hidden beast` number, since 1 + 20 + 0 + 322 + 0 + 323 = 666.

It is not a de Polignac number, because 12003220323 - 2⁶ = 12003220259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003220296 and 12003220305.

It is not an unprimeable number, because it can be changed into a prime (12003220223) 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 23 ways as a sum of consecutive naturals, for example, 2087190 + ... + 2092932.

It is an arithmetic number, because the mean of its divisors is an integer number (726110528).

Almost surely, 2^12003220323 is an apocalyptic number.

12003220323 is a deficient number, since it is larger than the sum of its proper divisors (5423432349).

12003220323 is a wasteful number, since it uses less digits than its factorization.

12003220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895 (or 6892 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12003220323 its reverse (32302230021), we get a palindrome (44305450344).

The spelling of 12003220323 in words is "twelve billion, three million, two hundred twenty thousand, three hundred twenty-three".