230809563 has 6 divisors (see below), whose sum is σ = 333391604. Its totient is φ = 153873036.

The previous prime is 230809559. The next prime is 230809597. The reversal of 230809563 is 365908032.

It is not a de Polignac number, because 230809563 - 2² = 230809559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230809363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12822745 + ... + 12822762.

Almost surely, 2^230809563 is an apocalyptic number.

230809563 is a deficient number, since it is larger than the sum of its proper divisors (102582041).

230809563 is a wasteful number, since it uses less digits than its factorization.

230809563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25645513 (or 25645510 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 230809563 is about 15192.4179444880. The cubic root of 230809563 is about 613.4105855027.

The spelling of 230809563 in words is "two hundred thirty million, eight hundred nine thousand, five hundred sixty-three".