320345230 has 16 divisors (see below), whose sum is σ = 577088064. Its totient is φ = 128034400.

The previous prime is 320345213. The next prime is 320345231. The reversal of 320345230 is 32543023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320345231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 25321.

It is an arithmetic number, because the mean of its divisors is an integer number (36068004).

Almost surely, 2^320345230 is an apocalyptic number.

320345230 is a deficient number, since it is larger than the sum of its proper divisors (256742834).

320345230 is a wasteful number, since it uses less digits than its factorization.

320345230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25931.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 320345230 is about 17898.1906906816. The cubic root of 320345230 is about 684.2362631832.

Adding to 320345230 its reverse (32543023), we get a palindrome (352888253).

The spelling of 320345230 in words is "three hundred twenty million, three hundred forty-five thousand, two hundred thirty".