320234018 has 32 divisors (see below), whose sum is σ = 553506240. Its totient is φ = 137712960.

The previous prime is 320234017. The next prime is 320234041. The reversal of 320234018 is 810432023.

It is a junction number, because it is equal to n+sod(n) for n = 320233984 and 320234002.

It is not an unprimeable number, because it can be changed into a prime (320234011) 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 15 ways as a sum of consecutive naturals, for example, 24821 + ... + 35447.

It is an arithmetic number, because the mean of its divisors is an integer number (17297070).

Almost surely, 2^320234018 is an apocalyptic number.

320234018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

320234018 is a deficient number, since it is larger than the sum of its proper divisors (233272222).

320234018 is a wasteful number, since it uses less digits than its factorization.

320234018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 320234018 is about 17895.0836265160. The cubic root of 320234018 is about 684.1570735219.

The spelling of 320234018 in words is "three hundred twenty million, two hundred thirty-four thousand, eighteen".