323000021303 has 4 divisors (see below), whose sum is σ = 323565696168. Its totient is φ = 322434346440.

The previous prime is 323000021297. The next prime is 323000021353. The reversal of 323000021303 is 303120000323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323000021303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323000021353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282836576 + ... + 282837717.

It is an arithmetic number, because the mean of its divisors is an integer number (80891424042).

Almost surely, 2^323000021303 is an apocalyptic number.

323000021303 is a deficient number, since it is larger than the sum of its proper divisors (565674865).

323000021303 is an equidigital number, since it uses as much as digits as its factorization.

323000021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565674864.

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

Adding to 323000021303 its reverse (303120000323), we get a palindrome (626120021626).

The spelling of 323000021303 in words is "three hundred twenty-three billion, twenty-one thousand, three hundred three".