320233012 has 48 divisors (see below), whose sum is σ = 650704320. Its totient is φ = 136281600.

The previous prime is 320233009. The next prime is 320233013. The reversal of 320233012 is 210332023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320233013) 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, 156814 + ... + 158842.

It is an arithmetic number, because the mean of its divisors is an integer number (13556340).

Almost surely, 2^320233012 is an apocalyptic number.

It is an amenable number.

320233012 is an abundant number, since it is smaller than the sum of its proper divisors (330471308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320233012 is a wasteful number, since it uses less digits than its factorization.

320233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320233012 is about 17895.0555182151. The cubic root of 320233012 is about 684.1563571055.

Adding to 320233012 its reverse (210332023), we get a palindrome (530565035).

It can be divided in two parts, 320 and 233012, that added together give a palindrome (233332).

The spelling of 320233012 in words is "three hundred twenty million, two hundred thirty-three thousand, twelve".