2003323204013 has 4 divisors (see below), whose sum is σ = 2005394893920. Its totient is φ = 2001251514108.

The previous prime is 2003323203971. The next prime is 2003323204027. The reversal of 2003323204013 is 3104023233002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003323204013 - 2¹⁶ = 2003323138477 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 2003323204013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003323204613) 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, 1035843503 + ... + 1035845436.

It is an arithmetic number, because the mean of its divisors is an integer number (501348723480).

Almost surely, 2^{2003323204013} is an apocalyptic number.

It is an amenable number.

2003323204013 is a deficient number, since it is larger than the sum of its proper divisors (2071689907).

2003323204013 is an equidigital number, since it uses as much as digits as its factorization.

2003323204013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071689906.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2003323204013 its reverse (3104023233002), we get a palindrome (5107346437015).

The spelling of 2003323204013 in words is "two trillion, three billion, three hundred twenty-three million, two hundred four thousand, thirteen".