2003323023 has 80 divisors (see below), whose sum is σ = 3388921536. Its totient is φ = 1170132480.

The previous prime is 2003322989. The next prime is 2003323039. The reversal of 2003323023 is 3203233002.

2003323023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2003323023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003322987 and 2003323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003323043) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4383411 + ... + 4383867.

Almost surely, 2^2003323023 is an apocalyptic number.

2003323023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2003323023 is a deficient number, since it is larger than the sum of its proper divisors (1385598513).

2003323023 is a wasteful number, since it uses less digits than its factorization.

2003323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 2003323023 is about 44758.4966570594. The cubic root of 2003323023 is about 1260.6184548931.

Adding to 2003323023 its reverse (3203233002), we get a palindrome (5206556025).

The spelling of 2003323023 in words is "two billion, three million, three hundred twenty-three thousand, twenty-three".