320552232232321 has 8 divisors (see below), whose sum is σ = 325820366748800. Its totient is φ = 315326412049680.

The previous prime is 320552232232319. The next prime is 320552232232363. The reversal of 320552232232321 is 123232232255023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320552232232321 - 2¹ = 320552232232319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320552232232381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10578568185 + ... + 10578598486.

It is an arithmetic number, because the mean of its divisors is an integer number (40727545843600).

Almost surely, 2^{320552232232321} is an apocalyptic number.

It is an amenable number.

320552232232321 is a deficient number, since it is larger than the sum of its proper divisors (5268134516479).

320552232232321 is a wasteful number, since it uses less digits than its factorization.

320552232232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21157166919.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 320552232232321 its reverse (123232232255023), we get a palindrome (443784464487344).

The spelling of 320552232232321 in words is "three hundred twenty trillion, five hundred fifty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred twenty-one".