243313230 has 16 divisors (see below), whose sum is σ = 583951824. Its totient is φ = 64883520.

The previous prime is 243313223. The next prime is 243313241. The reversal of 243313230 is 32313342.

It is a junction number, because it is equal to n+sod(n) for n = 243313197 and 243313206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055191 + ... + 4055250.

It is an arithmetic number, because the mean of its divisors is an integer number (36496989).

Almost surely, 2^243313230 is an apocalyptic number.

243313230 is an abundant number, since it is smaller than the sum of its proper divisors (340638594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243313230 is a wasteful number, since it uses less digits than its factorization.

243313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110451.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 243313230 is about 15598.5008895086. The cubic root of 243313230 is about 624.2931571652.

Adding to 243313230 its reverse (32313342), we get a palindrome (275626572).

The spelling of 243313230 in words is "two hundred forty-three million, three hundred thirteen thousand, two hundred thirty".