230213565 has 24 divisors (see below), whose sum is σ = 408772728. Its totient is φ = 119784960.

The previous prime is 230213537. The next prime is 230213569. The reversal of 230213565 is 565312032.

230213565 is a `hidden beast` number, since 2 + 302 + 1 + 356 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3229209 + 226984356 = 1797^2 + 15066^2 .

It is not a de Polignac number, because 230213565 - 2⁷ = 230213437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230213569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60544 + ... + 64233.

It is an arithmetic number, because the mean of its divisors is an integer number (17032197).

Almost surely, 2^230213565 is an apocalyptic number.

It is an amenable number.

230213565 is a deficient number, since it is larger than the sum of its proper divisors (178559163).

230213565 is a wasteful number, since it uses less digits than its factorization.

230213565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124829 (or 124826 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 230213565 is about 15172.7902839260. The cubic root of 230213565 is about 612.8821460869.

Adding to 230213565 its reverse (565312032), we get a palindrome (795525597).

The spelling of 230213565 in words is "two hundred thirty million, two hundred thirteen thousand, five hundred sixty-five".