323120223203 has 4 divisors (see below), whose sum is σ = 340126550760. Its totient is φ = 306113895648.

The previous prime is 323120223199. The next prime is 323120223229. The reversal of 323120223203 is 302322021323.

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

It is a cyclic number.

It is not a de Polignac number, because 323120223203 - 2² = 323120223199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323120225203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8503163750 + ... + 8503163787.

It is an arithmetic number, because the mean of its divisors is an integer number (85031637690).

Almost surely, 2^323120223203 is an apocalyptic number.

323120223203 is a deficient number, since it is larger than the sum of its proper divisors (17006327557).

323120223203 is a wasteful number, since it uses less digits than its factorization.

323120223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17006327556.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 323120223203 its reverse (302322021323), we get a palindrome (625442244526).

The spelling of 323120223203 in words is "three hundred twenty-three billion, one hundred twenty million, two hundred twenty-three thousand, two hundred three".