230612321 has 8 divisors (see below), whose sum is σ = 240679080. Its totient is φ = 220686592.

The previous prime is 230612309. The next prime is 230612341. The reversal of 230612321 is 123216032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18181696 + 212430625 = 4264^2 + 14575^2 .

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 230612321 - 2⁶ = 230612257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230612293 and 230612302.

It is not an unprimeable number, because it can be changed into a prime (230612341) 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, 31910 + ... + 38463.

It is an arithmetic number, because the mean of its divisors is an integer number (30084885).

Almost surely, 2^230612321 is an apocalyptic number.

It is an amenable number.

230612321 is a deficient number, since it is larger than the sum of its proper divisors (10066759).

230612321 is a wasteful number, since it uses less digits than its factorization.

230612321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70515.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 230612321 is about 15185.9250952979. The cubic root of 230612321 is about 613.2358024330.

Adding to 230612321 its reverse (123216032), we get a palindrome (353828353).

The spelling of 230612321 in words is "two hundred thirty million, six hundred twelve thousand, three hundred twenty-one".