320012342 has 32 divisors (see below), whose sum is σ = 528595200. Its totient is φ = 144397728.

The previous prime is 320012309. The next prime is 320012347. The reversal of 320012342 is 243210023.

It is a self number, because there is not a number n which added to its sum of digits gives 320012342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347759 + ... + 348677.

It is an arithmetic number, because the mean of its divisors is an integer number (16518600).

Almost surely, 2^320012342 is an apocalyptic number.

320012342 is a deficient number, since it is larger than the sum of its proper divisors (208582858).

320012342 is a wasteful number, since it uses less digits than its factorization.

320012342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320012342 is about 17888.8887860594. Note that the first 3 decimals coincide. The cubic root of 320012342 is about 683.9991721089. Note that the first 3 decimals are identical.

Adding to 320012342 its reverse (243210023), we get a palindrome (563222365).

It can be divided in two parts, 32001 and 2342, that added together give a palindrome (34343).

The spelling of 320012342 in words is "three hundred twenty million, twelve thousand, three hundred forty-two".