230615563 has 4 divisors (see below), whose sum is σ = 234396208. Its totient is φ = 226834920.

The previous prime is 230615531. The next prime is 230615621. The reversal of 230615563 is 365516032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230615563 - 2⁵ = 230615531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230615513) 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 3 ways as a sum of consecutive naturals, for example, 1890231 + ... + 1890352.

It is an arithmetic number, because the mean of its divisors is an integer number (58599052).

Almost surely, 2^230615563 is an apocalyptic number.

230615563 is a deficient number, since it is larger than the sum of its proper divisors (3780645).

230615563 is an equidigital number, since it uses as much as digits as its factorization.

230615563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780644.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 230615563 is about 15186.0318385021. The cubic root of 230615563 is about 613.2386760886.

The spelling of 230615563 in words is "two hundred thirty million, six hundred fifteen thousand, five hundred sixty-three".