1213322323003 has 16 divisors (see below), whose sum is σ = 1403879855616. Its totient is φ = 1027080504000.

The previous prime is 1213322322991. The next prime is 1213322323009. The reversal of 1213322323003 is 3003232233121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213322323003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213322323009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191378 + ... + 1961128.

It is an arithmetic number, because the mean of its divisors is an integer number (87742490976).

Almost surely, 2^{1213322323003} is an apocalyptic number.

1213322323003 is a deficient number, since it is larger than the sum of its proper divisors (190557532613).

1213322323003 is an equidigital number, since it uses as much as digits as its factorization.

1213322323003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772554.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1213322323003 its reverse (3003232233121), we get a palindrome (4216554556124).

The spelling of 1213322323003 in words is "one trillion, two hundred thirteen billion, three hundred twenty-two million, three hundred twenty-three thousand, three".