320230340 has 12 divisors (see below), whose sum is σ = 672483756. Its totient is φ = 128092128.

The previous prime is 320230333. The next prime is 320230363. The reversal of 320230340 is 43032023.

It can be written as a sum of positive squares in 2 ways, for example, as 139381636 + 180848704 = 11806^2 + 13448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8005739 + ... + 8005778.

It is an arithmetic number, because the mean of its divisors is an integer number (56040313).

Almost surely, 2^320230340 is an apocalyptic number.

It is an amenable number.

320230340 is an abundant number, since it is smaller than the sum of its proper divisors (352253416).

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

320230340 is a wasteful number, since it uses less digits than its factorization.

320230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011526 (or 16011524 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 320230340 is about 17894.9808605653. The cubic root of 320230340 is about 684.1544542506.

Adding to 320230340 its reverse (43032023), we get a palindrome (363262363).

The spelling of 320230340 in words is "three hundred twenty million, two hundred thirty thousand, three hundred forty".