1002003323 has 16 divisors (see below), whose sum is σ = 1065926400. Its totient is φ = 939250080.

The previous prime is 1002003287. The next prime is 1002003337. The reversal of 1002003323 is 3233002001.

It is a cyclic number.

It is not a de Polignac number, because 1002003323 - 2¹⁰ = 1002002299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002003298 and 1002003307.

It is not an unprimeable number, because it can be changed into a prime (1002003383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217090 + ... + 1217912.

It is an arithmetic number, because the mean of its divisors is an integer number (66620400).

Almost surely, 2^1002003323 is an apocalyptic number.

1002003323 is a deficient number, since it is larger than the sum of its proper divisors (63923077).

1002003323 is a wasteful number, since it uses less digits than its factorization.

1002003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1002003323 is about 31654.4360714261. The cubic root of 1002003323 is about 1000.6673289064.

Adding to 1002003323 its reverse (3233002001), we get a palindrome (4235005324).

The spelling of 1002003323 in words is "one billion, two million, three thousand, three hundred twenty-three".