230289563 has 18 divisors (see below), whose sum is σ = 271124604. Its totient is φ = 195033384.

The previous prime is 230289539. The next prime is 230289569. The reversal of 230289563 is 365982032.

It is not a de Polignac number, because 230289563 - 2⁸ = 230289307 is a prime.

It is a super-4 number, since 4×230289563⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230289569) 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 in 17 ways as a sum of consecutive naturals, for example, 519620 + ... + 520062.

It is an arithmetic number, because the mean of its divisors is an integer number (15062478).

Almost surely, 2^230289563 is an apocalyptic number.

230289563 is a deficient number, since it is larger than the sum of its proper divisors (40835041).

230289563 is an equidigital number, since it uses as much as digits as its factorization.

230289563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 230289563 is about 15175.2944946713. The cubic root of 230289563 is about 612.9495801278.

The spelling of 230289563 in words is "two hundred thirty million, two hundred eighty-nine thousand, five hundred sixty-three".