230220321 has 8 divisors (see below), whose sum is σ = 323116320. Its totient is φ = 145402272.

The previous prime is 230220281. The next prime is 230220349. The reversal of 230220321 is 123022032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230220321 - 2⁶ = 230220257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230220321.

It is not an unprimeable number, because it can be changed into a prime (230220391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2019420 + ... + 2019533.

It is an arithmetic number, because the mean of its divisors is an integer number (40389540).

Almost surely, 2^230220321 is an apocalyptic number.

It is an amenable number.

230220321 is a deficient number, since it is larger than the sum of its proper divisors (92895999).

230220321 is a wasteful number, since it uses less digits than its factorization.

230220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038975.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230220321 is about 15173.0129176772. The cubic root of 230220321 is about 612.8881413769. Note that the first 3 decimals are identical.

Adding to 230220321 its reverse (123022032), we get a palindrome (353242353).

The spelling of 230220321 in words is "two hundred thirty million, two hundred twenty thousand, three hundred twenty-one".