12321313333403 has 4 divisors (see below), whose sum is σ = 13046096470680. Its totient is φ = 11596530196128.

The previous prime is 12321313333387. The next prime is 12321313333409. The reversal of 12321313333403 is 30433331312321.

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 12321313333403 - 2⁴ = 12321313333387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12321313333403.

It is not an unprimeable number, because it can be changed into a prime (12321313333409) 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, 362391568613 + ... + 362391568646.

It is an arithmetic number, because the mean of its divisors is an integer number (3261524117670).

Almost surely, 2^{12321313333403} is an apocalyptic number.

12321313333403 is a deficient number, since it is larger than the sum of its proper divisors (724783137277).

12321313333403 is an equidigital number, since it uses as much as digits as its factorization.

12321313333403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724783137276.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 12321313333403 its reverse (30433331312321), we get a palindrome (42754644645724).

The spelling of 12321313333403 in words is "twelve trillion, three hundred twenty-one billion, three hundred thirteen million, three hundred thirty-three thousand, four hundred three".