320042234 has 16 divisors (see below), whose sum is σ = 488540160. Its totient is φ = 157202160.

The previous prime is 320042179. The next prime is 320042257. The reversal of 320042234 is 432240023.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174647 + ... + 176469.

It is an arithmetic number, because the mean of its divisors is an integer number (30533760).

Almost surely, 2^320042234 is an apocalyptic number.

320042234 is a deficient number, since it is larger than the sum of its proper divisors (168497926).

320042234 is a wasteful number, since it uses less digits than its factorization.

320042234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 320042234 is about 17889.7242572377. The cubic root of 320042234 is about 684.0204686487.

Adding to 320042234 its reverse (432240023), we get a palindrome (752282257).

The spelling of 320042234 in words is "three hundred twenty million, forty-two thousand, two hundred thirty-four".