323121212303 has 16 divisors (see below), whose sum is σ = 353945548800. Its totient is φ = 294032814240.

The previous prime is 323121212299. The next prime is 323121212311. The reversal of 323121212303 is 303212121323.

It is a cyclic number.

It is not a de Polignac number, because 323121212303 - 2² = 323121212299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323121212383) 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, 3798488 + ... + 3882621.

It is an arithmetic number, because the mean of its divisors is an integer number (22121596800).

Almost surely, 2^323121212303 is an apocalyptic number.

323121212303 is a deficient number, since it is larger than the sum of its proper divisors (30824336497).

323121212303 is a wasteful number, since it uses less digits than its factorization.

323121212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681222.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 323121212303 its reverse (303212121323), we get a palindrome (626333333626).

The spelling of 323121212303 in words is "three hundred twenty-three billion, one hundred twenty-one million, two hundred twelve thousand, three hundred three".