230221321 has 8 divisors (see below), whose sum is σ = 252540288. Its totient is φ = 208134000.

The previous prime is 230221301. The next prime is 230221331. The reversal of 230221321 is 123122032.

230221321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230221321 - 2¹⁷ = 230090249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230221295 and 230221304.

It is not an unprimeable number, because it can be changed into a prime (230221301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55825 + ... + 59806.

It is an arithmetic number, because the mean of its divisors is an integer number (31567536).

Almost surely, 2^230221321 is an apocalyptic number.

It is an amenable number.

230221321 is a deficient number, since it is larger than the sum of its proper divisors (22318967).

230221321 is a wasteful number, since it uses less digits than its factorization.

230221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115823.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230221321 is about 15173.0458708856. The cubic root of 230221321 is about 612.8890287693.

Adding to 230221321 its reverse (123122032), we get a palindrome (353343353).

The spelling of 230221321 in words is "two hundred thirty million, two hundred twenty-one thousand, three hundred twenty-one".