230404817 has 2 divisors, whose sum is σ = 230404818. Its totient is φ = 230404816.

The previous prime is 230404807. The next prime is 230404829. The reversal of 230404817 is 718404032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215972416 + 14432401 = 14696^2 + 3799^2 .

It is a cyclic number.

It is not a de Polignac number, because 230404817 - 2⁶ = 230404753 is a prime.

It is a Chen prime.

It is equal to p_12663542 and since 230404817 and 12663542 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230404817.

It is not a weakly prime, because it can be changed into another prime (230404807) 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, 115202408 + 115202409.

It is an arithmetic number, because the mean of its divisors is an integer number (115202409).

Almost surely, 2^230404817 is an apocalyptic number.

It is an amenable number.

230404817 is a deficient number, since it is larger than the sum of its proper divisors (1).

230404817 is an equidigital number, since it uses as much as digits as its factorization.

230404817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 230404817 is about 15179.0914418486. The cubic root of 230404817 is about 613.0518182375.

Adding to 230404817 its reverse (718404032), we get a palindrome (948808849).

The spelling of 230404817 in words is "two hundred thirty million, four hundred four thousand, eight hundred seventeen".