20003323 has 8 divisors (see below), whose sum is σ = 20228096. Its totient is φ = 19780200.

The previous prime is 20003317. The next prime is 20003369. The reversal of 20003323 is 32330002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60268 + ... + 60598.

It is an arithmetic number, because the mean of its divisors is an integer number (2528512).

Almost surely, 2^20003323 is an apocalyptic number.

20003323 is a deficient number, since it is larger than the sum of its proper divisors (224773).

20003323 is a wasteful number, since it uses less digits than its factorization.

20003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

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

The square root of 20003323 is about 4472.5074622632. The cubic root of 20003323 is about 271.4567941765.

Adding to 20003323 its reverse (32330002), we get a palindrome (52333325).

The spelling of 20003323 in words is "twenty million, three thousand, three hundred twenty-three".