323145222163 has 4 divisors (see below), whose sum is σ = 323146653280. Its totient is φ = 323143791048.

The previous prime is 323145222133. The next prime is 323145222221. The reversal of 323145222163 is 361222541323.

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 323145222163 - 2⁵ = 323145222131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323145222133) 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, 294123 + ... + 856036.

It is an arithmetic number, because the mean of its divisors is an integer number (80786663320).

Almost surely, 2^323145222163 is an apocalyptic number.

323145222163 is a deficient number, since it is larger than the sum of its proper divisors (1431117).

323145222163 is a wasteful number, since it uses less digits than its factorization.

323145222163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431116.

The product of its digits is 51840, while the sum is 34.

Adding to 323145222163 its reverse (361222541323), we get a palindrome (684367763486).

The spelling of 323145222163 in words is "three hundred twenty-three billion, one hundred forty-five million, two hundred twenty-two thousand, one hundred sixty-three".