243430115 has 8 divisors (see below), whose sum is σ = 292219920. Its totient is φ = 194674912.

The previous prime is 243430081. The next prime is 243430129. The reversal of 243430115 is 511034342.

243430115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243430115 - 2⁶ = 243430051 is a prime.

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, 10817 + ... + 24573.

It is an arithmetic number, because the mean of its divisors is an integer number (36527490).

Almost surely, 2^243430115 is an apocalyptic number.

243430115 is a deficient number, since it is larger than the sum of its proper divisors (48789805).

243430115 is a wasteful number, since it uses less digits than its factorization.

243430115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17301.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 243430115 is about 15602.2471137974. The cubic root of 243430115 is about 624.3931090174.

Adding to 243430115 its reverse (511034342), we get a palindrome (754464457).

The spelling of 243430115 in words is "two hundred forty-three million, four hundred thirty thousand, one hundred fifteen".