323130031223203 has 4 divisors (see below), whose sum is σ = 323158941499320. Its totient is φ = 323101120947088.

The previous prime is 323130031223141. The next prime is 323130031223221. The reversal of 323130031223203 is 302322130031323.

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-323130031223203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323130031223273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14455121293 + ... + 14455143646.

It is an arithmetic number, because the mean of its divisors is an integer number (80789735374830).

Almost surely, 2^{323130031223203} is an apocalyptic number.

323130031223203 is a deficient number, since it is larger than the sum of its proper divisors (28910276117).

323130031223203 is a wasteful number, since it uses less digits than its factorization.

323130031223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28910276116.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 323130031223203 its reverse (302322130031323), we get a palindrome (625452161254526).

The spelling of 323130031223203 in words is "three hundred twenty-three trillion, one hundred thirty billion, thirty-one million, two hundred twenty-three thousand, two hundred three".