243043204 has 12 divisors (see below), whose sum is σ = 434375424. Its totient is φ = 118935944.

The previous prime is 243043201. The next prime is 243043211. The reversal of 243043204 is 402340342.

243043204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243043201) 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, 646204 + ... + 646579.

It is an arithmetic number, because the mean of its divisors is an integer number (36197952).

Almost surely, 2^243043204 is an apocalyptic number.

It is an amenable number.

243043204 is a deficient number, since it is larger than the sum of its proper divisors (191332220).

243043204 is a wasteful number, since it uses less digits than its factorization.

243043204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292834 (or 1292832 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243043204 is about 15589.8429754761. The cubic root of 243043204 is about 624.0621274160.

Adding to 243043204 its reverse (402340342), we get a palindrome (645383546).

The spelling of 243043204 in words is "two hundred forty-three million, forty-three thousand, two hundred four".