320552232232345 has 16 divisors (see below), whose sum is σ = 384956150722560. Its totient is φ = 256246141379904.

The previous prime is 320552232232319. The next prime is 320552232232363. The reversal of 320552232232345 is 543232232255023.

It is a cyclic number.

It is not a de Polignac number, because 320552232232345 - 2¹¹ = 320552232230297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155300091 + ... + 1155577519.

It is an arithmetic number, because the mean of its divisors is an integer number (24059759420160).

Almost surely, 2^{320552232232345} is an apocalyptic number.

It is an amenable number.

320552232232345 is a deficient number, since it is larger than the sum of its proper divisors (64403918490215).

320552232232345 is a wasteful number, since it uses less digits than its factorization.

320552232232345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452904.

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 320552232232345 its reverse (543232232255023), we get a palindrome (863784464487368).

The spelling of 320552232232345 in words is "three hundred twenty trillion, five hundred fifty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred forty-five".