230536 has 8 divisors (see below), whose sum is σ = 432270. Its totient is φ = 115264.

The previous prime is 230507. The next prime is 230539. The reversal of 230536 is 635032.

It can be written as a sum of positive squares in only one way, i.e., 136900 + 93636 = 370^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401 + ... + 14416.

2²³⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

230536 is a deficient number, since it is larger than the sum of its proper divisors (201734).

230536 is a wasteful number, since it uses less digits than its factorization.

230536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28823 (or 28819 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 230536 is about 480.1416457672. The cubic root of 230536 is about 61.3168144970.

Adding to 230536 its reverse (635032), we get a palindrome (865568).

Subtracting 230536 from its reverse (635032), we obtain a square (404496 = 636²).

The spelling of 230536 in words is "two hundred thirty thousand, five hundred thirty-six".