243032304 has 20 divisors (see below), whose sum is σ = 627833576. Its totient is φ = 81010752.

The previous prime is 243032263. The next prime is 243032327. The reversal of 243032304 is 403230342.

243032304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531539 + ... + 2531634.

Almost surely, 2^243032304 is an apocalyptic number.

243032304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243032304 is an abundant number, since it is smaller than the sum of its proper divisors (384801272).

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

243032304 is a wasteful number, since it uses less digits than its factorization.

243032304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063184 (or 5063178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243032304 is about 15589.4933849692. The cubic root of 243032304 is about 624.0527979651.

Adding to 243032304 its reverse (403230342), we get a palindrome (646262646).

The spelling of 243032304 in words is "two hundred forty-three million, thirty-two thousand, three hundred four".