323555255321 has 4 divisors (see below), whose sum is σ = 323701861632. Its totient is φ = 323408649012.

The previous prime is 323555255263. The next prime is 323555255339. The reversal of 323555255321 is 123552555323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323555255321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323555255381) 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, 73299845 + ... + 73304258.

It is an arithmetic number, because the mean of its divisors is an integer number (80925465408).

Almost surely, 2^323555255321 is an apocalyptic number.

It is an amenable number.

323555255321 is a deficient number, since it is larger than the sum of its proper divisors (146606311).

323555255321 is a wasteful number, since it uses less digits than its factorization.

323555255321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146606310.

The product of its digits is 675000, while the sum is 41.

The spelling of 323555255321 in words is "three hundred twenty-three billion, five hundred fifty-five million, two hundred fifty-five thousand, three hundred twenty-one".