320121230 has 96 divisors (see below), whose sum is σ = 698205312. Its totient is φ = 104924160.

The previous prime is 320121211. The next prime is 320121247. The reversal of 320121230 is 32121023.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739094 + ... + 739526.

It is an arithmetic number, because the mean of its divisors is an integer number (7272972).

Almost surely, 2^320121230 is an apocalyptic number.

320121230 is an abundant number, since it is smaller than the sum of its proper divisors (378084082).

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

320121230 is a wasteful number, since it uses less digits than its factorization.

320121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320121230 is about 17891.9319806442. The cubic root of 320121230 is about 684.0767429254.

Adding to 320121230 its reverse (32121023), we get a palindrome (352242253).

The spelling of 320121230 in words is "three hundred twenty million, one hundred twenty-one thousand, two hundred thirty".