2003001003323 has 4 divisors (see below), whose sum is σ = 2003153602800. Its totient is φ = 2002848403848.

The previous prime is 2003001003319. The next prime is 2003001003329. The reversal of 2003001003323 is 3233001003002.

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 2003001003323 - 2² = 2003001003319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003001003329) 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, 76280048 + ... + 76306301.

It is an arithmetic number, because the mean of its divisors is an integer number (500788400700).

Almost surely, 2^{2003001003323} is an apocalyptic number.

2003001003323 is a deficient number, since it is larger than the sum of its proper divisors (152599477).

2003001003323 is a wasteful number, since it uses less digits than its factorization.

2003001003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152599476.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 2003001003323 its reverse (3233001003002), we get a palindrome (5236002006325).

The spelling of 2003001003323 in words is "two trillion, three billion, one million, three thousand, three hundred twenty-three".