323144320199 has 4 divisors (see below), whose sum is σ = 333568330560. Its totient is φ = 312720309840.

The previous prime is 323144320193. The next prime is 323144320201. The reversal of 323144320199 is 991023441323.

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 323144320199 - 2⁴ = 323144320183 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 (323144320193) 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, 5212005134 + ... + 5212005195.

It is an arithmetic number, because the mean of its divisors is an integer number (83392082640).

Almost surely, 2^323144320199 is an apocalyptic number.

323144320199 is a deficient number, since it is larger than the sum of its proper divisors (10424010361).

323144320199 is a wasteful number, since it uses less digits than its factorization.

323144320199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424010360.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 323144320199 in words is "three hundred twenty-three billion, one hundred forty-four million, three hundred twenty thousand, one hundred ninety-nine".