230842 has 4 divisors (see below), whose sum is σ = 346266. Its totient is φ = 115420.

The previous prime is 230833. The next prime is 230849. The reversal of 230842 is 248032.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 201601 + 29241 = 449^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (230849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57709 + ... + 57712.

2²³⁰⁸⁴² is an apocalyptic number.

230842 is a deficient number, since it is larger than the sum of its proper divisors (115424).

230842 is a wasteful number, since it uses less digits than its factorization.

230842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115423.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 230842 is about 480.4601960621. The cubic root of 230842 is about 61.3439319533.

Adding to 230842 its reverse (248032), we get a palindrome (478874).

The spelling of 230842 in words is "two hundred thirty thousand, eight hundred forty-two".