230120321 has 4 divisors (see below), whose sum is σ = 230613552. Its totient is φ = 229627092.

The previous prime is 230120311. The next prime is 230120327. The reversal of 230120321 is 123021032.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-230120321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230120296 and 230120305.

It is not an unprimeable number, because it can be changed into a prime (230120327) 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, 245915 + ... + 246848.

It is an arithmetic number, because the mean of its divisors is an integer number (57653388).

Almost surely, 2^230120321 is an apocalyptic number.

It is an amenable number.

230120321 is a deficient number, since it is larger than the sum of its proper divisors (493231).

230120321 is an equidigital number, since it uses as much as digits as its factorization.

230120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493230.

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

The square root of 230120321 is about 15169.7172353343. The cubic root of 230120321 is about 612.7993891620.

Adding to 230120321 its reverse (123021032), we get a palindrome (353141353).

It can be divided in two parts, 2301 and 20321, that added together give a palindrome (22622).

The spelling of 230120321 in words is "two hundred thirty million, one hundred twenty thousand, three hundred twenty-one".