230044921 has 2 divisors, whose sum is σ = 230044922. Its totient is φ = 230044920.

The previous prime is 230044853. The next prime is 230044939. The reversal of 230044921 is 129440032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211382521 + 18662400 = 14539^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 230044921 - 2¹⁹ = 229520633 is a prime.

It is not a weakly prime, because it can be changed into another prime (230044961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115022460 + 115022461.

It is an arithmetic number, because the mean of its divisors is an integer number (115022461).

Almost surely, 2^230044921 is an apocalyptic number.

It is an amenable number.

230044921 is a deficient number, since it is larger than the sum of its proper divisors (1).

230044921 is an equidigital number, since it uses as much as digits as its factorization.

230044921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 230044921 is about 15167.2318173093. The cubic root of 230044921 is about 612.7324529884.

Adding to 230044921 its reverse (129440032), we get a palindrome (359484953).

The spelling of 230044921 in words is "two hundred thirty million, forty-four thousand, nine hundred twenty-one".