243113204 has 12 divisors (see below), whose sum is σ = 427676928. Its totient is φ = 120919800.

The previous prime is 243113203. The next prime is 243113219. The reversal of 243113204 is 402311342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158342 + ... + 159869.

It is an arithmetic number, because the mean of its divisors is an integer number (35639744).

Almost surely, 2^243113204 is an apocalyptic number.

It is an amenable number.

243113204 is a deficient number, since it is larger than the sum of its proper divisors (184563724).

243113204 is a wasteful number, since it uses less digits than its factorization.

243113204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318406 (or 318404 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 243113204 is about 15592.0878653245. The cubic root of 243113204 is about 624.1220346738.

Adding to 243113204 its reverse (402311342), we get a palindrome (645424546).

The spelling of 243113204 in words is "two hundred forty-three million, one hundred thirteen thousand, two hundred four".