323041230311221 has 4 divisors (see below), whose sum is σ = 323608965338700. Its totient is φ = 322473495283744.

The previous prime is 323041230311209. The next prime is 323041230311249. The reversal of 323041230311221 is 122113032140323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58626800630596 + 264414429680625 = 7656814^2 + 16260825^2 .

It is a cyclic number.

It is not a de Polignac number, because 323041230311221 - 2³⁵ = 323006870572853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323041230311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323041230311291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283867512886 + ... + 283867514023.

It is an arithmetic number, because the mean of its divisors is an integer number (80902241334675).

Almost surely, 2^{323041230311221} is an apocalyptic number.

It is an amenable number.

323041230311221 is a deficient number, since it is larger than the sum of its proper divisors (567735027479).

323041230311221 is an equidigital number, since it uses as much as digits as its factorization.

323041230311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567735027478.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 323041230311221 its reverse (122113032140323), we get a palindrome (445154262451544).

The spelling of 323041230311221 in words is "three hundred twenty-three trillion, forty-one billion, two hundred thirty million, three hundred eleven thousand, two hundred twenty-one".