230212321 has 4 divisors (see below), whose sum is σ = 230252544. Its totient is φ = 230172100.

The previous prime is 230212309. The next prime is 230212327. The reversal of 230212321 is 123212032.

230212321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230212321 - 2⁷ = 230212193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230212295 and 230212304.

It is not an unprimeable number, because it can be changed into a prime (230212327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9745 + ... + 23566.

It is an arithmetic number, because the mean of its divisors is an integer number (57563136).

Almost surely, 2^230212321 is an apocalyptic number.

It is an amenable number.

230212321 is a deficient number, since it is larger than the sum of its proper divisors (40223).

230212321 is an equidigital number, since it uses as much as digits as its factorization.

230212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40222.

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

The square root of 230212321 is about 15172.7492894333. The cubic root of 230212321 is about 612.8810421456.

Adding to 230212321 its reverse (123212032), we get a palindrome (353424353).

The spelling of 230212321 in words is "two hundred thirty million, two hundred twelve thousand, three hundred twenty-one".