1323220310003 has 4 divisors (see below), whose sum is σ = 1323288582360. Its totient is φ = 1323152037648.

The previous prime is 1323220309973. The next prime is 1323220310011. The reversal of 1323220310003 is 3000130223231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323220310003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323220310023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34107098 + ... + 34145871.

It is an arithmetic number, because the mean of its divisors is an integer number (330822145590).

Almost surely, 2^{1323220310003} is an apocalyptic number.

1323220310003 is a deficient number, since it is larger than the sum of its proper divisors (68272357).

1323220310003 is an equidigital number, since it uses as much as digits as its factorization.

1323220310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68272356.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1323220310003 its reverse (3000130223231), we get a palindrome (4323350533234).

The spelling of 1323220310003 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, three hundred ten thousand, three".