243238030 has 32 divisors (see below), whose sum is σ = 503755200. Its totient is φ = 82832640.

The previous prime is 243238027. The next prime is 243238063. The reversal of 243238030 is 30832342.

It is a junction number, because it is equal to n+sod(n) for n = 243237986 and 243238004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231 + ... + 22090.

It is an arithmetic number, because the mean of its divisors is an integer number (15742350).

Almost surely, 2^243238030 is an apocalyptic number.

243238030 is an abundant number, since it is smaller than the sum of its proper divisors (260517170).

243238030 is a wasteful number, since it uses less digits than its factorization.

243238030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23484.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 243238030 is about 15596.0902151789. The cubic root of 243238030 is about 624.2288344773.

The spelling of 243238030 in words is "two hundred forty-three million, two hundred thirty-eight thousand, thirty".