320323143324002 has 32 divisors (see below), whose sum is σ = 591366702460800. Its totient is φ = 126721050784128.

The previous prime is 320323143324001. The next prime is 320323143324017. The reversal of 320323143324002 is 200423341323023.

It is a happy number.

It is a super-2 number, since 2×320323143324002² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320323143324002.

It is not an unprimeable number, because it can be changed into a prime (320323143324001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210640649 + ... + 212155907.

It is an arithmetic number, because the mean of its divisors is an integer number (18480209451900).

Almost surely, 2^{320323143324002} is an apocalyptic number.

320323143324002 is a deficient number, since it is larger than the sum of its proper divisors (271043559136798).

320323143324002 is a wasteful number, since it uses less digits than its factorization.

320323143324002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676810.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 320323143324002 its reverse (200423341323023), we get a palindrome (520746484647025).

The spelling of 320323143324002 in words is "three hundred twenty trillion, three hundred twenty-three billion, one hundred forty-three million, three hundred twenty-four thousand, two".