320323042 has 8 divisors (see below), whose sum is σ = 517444956. Its totient is φ = 147841392.

The previous prime is 320323013. The next prime is 320323063. The reversal of 320323042 is 240323023.

It can be written as a sum of positive squares in 2 ways, for example, as 238980681 + 81342361 = 15459^2 + 9019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×320323042² = 205213702472267528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6160033 + ... + 6160084.

Almost surely, 2^320323042 is an apocalyptic number.

320323042 is a deficient number, since it is larger than the sum of its proper divisors (197121914).

320323042 is a wasteful number, since it uses less digits than its factorization.

320323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320132.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 320323042 is about 17897.5708407594. The cubic root of 320323042 is about 684.2204654508.

Subtracting from 320323042 its sum of digits (19), we obtain a palindrome (320323023).

Adding to 320323042 its reverse (240323023), we get a palindrome (560646065).

The spelling of 320323042 in words is "three hundred twenty million, three hundred twenty-three thousand, forty-two".