323320223321321 has 4 divisors (see below), whose sum is σ = 323322125856132. Its totient is φ = 323318320786512.

The previous prime is 323320223321267. The next prime is 323320223321327. The reversal of 323320223321321 is 123123322023323.

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 105236411910400 + 218083811410921 = 10258480^2 + 14767661^2 .

It is a cyclic number.

It is not a de Polignac number, because 323320223321321 - 2⁶ = 323320223321257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323320223321327) 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, 951012470 + ... + 951352383.

It is an arithmetic number, because the mean of its divisors is an integer number (80830531464033).

Almost surely, 2^{323320223321321} is an apocalyptic number.

It is an amenable number.

323320223321321 is a deficient number, since it is larger than the sum of its proper divisors (1902534811).

323320223321321 is a wasteful number, since it uses less digits than its factorization.

323320223321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902534810.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 323320223321321 its reverse (123123322023323), we get a palindrome (446443545344644).

The spelling of 323320223321321 in words is "three hundred twenty-three trillion, three hundred twenty billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty-one".