320230432 has 12 divisors (see below), whose sum is σ = 630453726. Its totient is φ = 160115200.

The previous prime is 320230429. The next prime is 320230433. The reversal of 320230432 is 234032023.

It can be written as a sum of positive squares in only one way, i.e., 188348176 + 131882256 = 13724^2 + 11484^2 .

It is not an unprimeable number, because it can be changed into a prime (320230433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003569 + ... + 5003632.

Almost surely, 2^320230432 is an apocalyptic number.

320230432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320230432 is a deficient number, since it is larger than the sum of its proper divisors (310223294).

320230432 is a wasteful number, since it uses less digits than its factorization.

320230432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007211 (or 10007203 counting only the distinct ones).

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

The square root of 320230432 is about 17894.9834311183. The cubic root of 320230432 is about 684.1545197682.

Adding to 320230432 its reverse (234032023), we get a palindrome (554262455).

The spelling of 320230432 in words is "three hundred twenty million, two hundred thirty thousand, four hundred thirty-two".