230563565 has 8 divisors (see below), whose sum is σ = 280466808. Its totient is φ = 181923840.

The previous prime is 230563559. The next prime is 230563577. The reversal of 230563565 is 565365032.

It can be written as a sum of positive squares in 4 ways, for example, as 20052484 + 210511081 = 4478^2 + 14509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230563565 - 2¹⁴ = 230547181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 315476 + ... + 316205.

It is an arithmetic number, because the mean of its divisors is an integer number (35058351).

Almost surely, 2^230563565 is an apocalyptic number.

It is an amenable number.

230563565 is a deficient number, since it is larger than the sum of its proper divisors (49903243).

230563565 is an equidigital number, since it uses as much as digits as its factorization.

230563565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631759.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 230563565 is about 15184.3197081726. The cubic root of 230563565 is about 613.1925826664.

The spelling of 230563565 in words is "two hundred thirty million, five hundred sixty-three thousand, five hundred sixty-five".