320421230 has 32 divisors (see below), whose sum is σ = 583015104. Its totient is φ = 126786816.

The previous prime is 320421229. The next prime is 320421259. The reversal of 320421230 is 32124023.

It is a junction number, because it is equal to n+sod(n) for n = 320421199 and 320421208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522404 + ... + 523016.

It is an arithmetic number, because the mean of its divisors is an integer number (18219222).

Almost surely, 2^320421230 is an apocalyptic number.

320421230 is a deficient number, since it is larger than the sum of its proper divisors (262593874).

320421230 is a wasteful number, since it uses less digits than its factorization.

320421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

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

The square root of 320421230 is about 17900.3136844023. The cubic root of 320421230 is about 684.2903692323.

Adding to 320421230 its reverse (32124023), we get a palindrome (352545253).

The spelling of 320421230 in words is "three hundred twenty million, four hundred twenty-one thousand, two hundred thirty".