2303323121003 has 4 divisors (see below), whose sum is σ = 2382748056240. Its totient is φ = 2223898185768.

The previous prime is 2303323120951. The next prime is 2303323121027. The reversal of 2303323121003 is 3001213233032.

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 2303323121003 - 2³⁰ = 2302249379179 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 2303323121003.

It is not an unprimeable number, because it can be changed into a prime (2303323121083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39712467575 + ... + 39712467632.

It is an arithmetic number, because the mean of its divisors is an integer number (595687014060).

Almost surely, 2^{2303323121003} is an apocalyptic number.

2303323121003 is a deficient number, since it is larger than the sum of its proper divisors (79424935237).

2303323121003 is an equidigital number, since it uses as much as digits as its factorization.

2303323121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79424935236.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2303323121003 its reverse (3001213233032), we get a palindrome (5304536354035).

The spelling of 2303323121003 in words is "two trillion, three hundred three billion, three hundred twenty-three million, one hundred twenty-one thousand, three".