12323120403 has 32 divisors (see below), whose sum is σ = 18710784000. Its totient is φ = 7146374400.

The previous prime is 12323120371. The next prime is 12323120417. The reversal of 12323120403 is 30402132321.

It is not a de Polignac number, because 12323120403 - 2⁵ = 12323120371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12323120403.

It is not an unprimeable number, because it can be changed into a prime (12323120483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23373 + ... + 158721.

It is an arithmetic number, because the mean of its divisors is an integer number (584712000).

Almost surely, 2^12323120403 is an apocalyptic number.

12323120403 is a deficient number, since it is larger than the sum of its proper divisors (6387663597).

12323120403 is a wasteful number, since it uses less digits than its factorization.

12323120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135483.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12323120403 its reverse (30402132321), we get a palindrome (42725252724).

The spelling of 12323120403 in words is "twelve billion, three hundred twenty-three million, one hundred twenty thousand, four hundred three".