230044021 has 2 divisors, whose sum is σ = 230044022. Its totient is φ = 230044020.

The previous prime is 230044013. The next prime is 230044033. The reversal of 230044021 is 120440032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141871921 + 88172100 = 11911^2 + 9390^2 .

It is a cyclic number.

It is not a de Polignac number, because 230044021 - 2³ = 230044013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230043986 and 230044004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230044421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115022010 + 115022011.

It is an arithmetic number, because the mean of its divisors is an integer number (115022011).

Almost surely, 2^230044021 is an apocalyptic number.

It is an amenable number.

230044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

230044021 is an equidigital number, since it uses as much as digits as its factorization.

230044021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 230044021 is about 15167.2021480562. The cubic root of 230044021 is about 612.7316539271.

Adding to 230044021 its reverse (120440032), we get a palindrome (350484053).

The spelling of 230044021 in words is "two hundred thirty million, forty-four thousand, twenty-one".