323355012045440 has 32 divisors (see below), whose sum is σ = 773020575672660. Its totient is φ = 129342004817920.

The previous prime is 323355012045433. The next prime is 323355012045479. The reversal of 323355012045440 is 44540210553323.

It can be written as a sum of positive squares in 2 ways, for example, as 300765219797056 + 22589792248384 = 17342584^2 + 4752872^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252621102521 + ... + 252621103800.

Almost surely, 2^{323355012045440} is an apocalyptic number.

It is an amenable number.

323355012045440 is an abundant number, since it is smaller than the sum of its proper divisors (449665563627220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323355012045440 is an equidigital number, since it uses as much as digits as its factorization.

323355012045440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505242206340 (or 505242206328 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 323355012045440 its reverse (44540210553323), we get a palindrome (367895222598763).

The spelling of 323355012045440 in words is "three hundred twenty-three trillion, three hundred fifty-five billion, twelve million, forty-five thousand, four hundred forty".