320330423140 has 96 divisors (see below), whose sum is σ = 856480423680. Its totient is φ = 97883444736.

The previous prime is 320330423117. The next prime is 320330423201. The reversal of 320330423140 is 41324033023.

It is a super-2 number, since 2×320330423140² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2981802 + ... + 3087361.

It is an arithmetic number, because the mean of its divisors is an integer number (8921671080).

Almost surely, 2^320330423140 is an apocalyptic number.

It is an amenable number.

320330423140 is an abundant number, since it is smaller than the sum of its proper divisors (536150000540).

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

320330423140 is a wasteful number, since it uses less digits than its factorization.

320330423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069221 (or 6069219 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 320330423140 its reverse (41324033023), we get a palindrome (361654456163).

The spelling of 320330423140 in words is "three hundred twenty billion, three hundred thirty million, four hundred twenty-three thousand, one hundred forty".