2003323 has 12 divisors (see below), whose sum is σ = 2397808. Its totient is φ = 1639440.

The previous prime is 2003321. The next prime is 2003329. The reversal of 2003323 is 3233002.

It is not a de Polignac number, because 2003323 - 2¹ = 2003321 is a prime.

2003323 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3433 + ... + 3973.

2^2003323 is an apocalyptic number.

2003323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2003323 is a deficient number, since it is larger than the sum of its proper divisors (394485).

2003323 is an equidigital number, since it uses as much as digits as its factorization.

2003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 2003323 is about 1415.3879326884. The cubic root of 2003323 is about 126.0618450069.

Adding to 2003323 its reverse (3233002), we get a palindrome (5236325).

The spelling of 2003323 in words is "two million, three thousand, three hundred twenty-three".