320232340 has 24 divisors (see below), whose sum is σ = 673085952. Its totient is φ = 127979040.

The previous prime is 320232337. The next prime is 320232389. The reversal of 320232340 is 43232023.

It is a congruent 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, 18117 + ... + 31123.

It is an arithmetic number, because the mean of its divisors is an integer number (28045248).

Almost surely, 2^320232340 is an apocalyptic number.

It is an amenable number.

320232340 is an abundant number, since it is smaller than the sum of its proper divisors (352853612).

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

320232340 is a wasteful number, since it uses less digits than its factorization.

320232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247 (or 14245 counting only the distinct ones).

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

The square root of 320232340 is about 17895.0367420690. The cubic root of 320232340 is about 684.1558785442.

Adding to 320232340 its reverse (43232023), we get a palindrome (363464363).

The spelling of 320232340 in words is "three hundred twenty million, two hundred thirty-two thousand, three hundred forty".