230323221 has 6 divisors (see below), whose sum is σ = 332689110. Its totient is φ = 153548808.

The previous prime is 230323217. The next prime is 230323237. The reversal of 230323221 is 122323032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147258225 + 83064996 = 12135^2 + 9114^2 .

It is not a de Polignac number, because 230323221 - 2² = 230323217 is a prime.

It is a super-2 number, since 2×230323221² = 106097572263629682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230323194 and 230323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230323201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12795726 + ... + 12795743.

It is an arithmetic number, because the mean of its divisors is an integer number (55448185).

Almost surely, 2^230323221 is an apocalyptic number.

It is an amenable number.

230323221 is a deficient number, since it is larger than the sum of its proper divisors (102365889).

230323221 is a wasteful number, since it uses less digits than its factorization.

230323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25591475 (or 25591472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230323221 is about 15176.4034276900. The cubic root of 230323221 is about 612.9794405807.

Adding to 230323221 its reverse (122323032), we get a palindrome (352646253).

The spelling of 230323221 in words is "two hundred thirty million, three hundred twenty-three thousand, two hundred twenty-one".