243432230 has 32 divisors (see below), whose sum is σ = 465004800. Its totient is φ = 91555552.

The previous prime is 243432227. The next prime is 243432257. The reversal of 243432230 is 32234342.

243432230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 243432196 and 243432205.

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, 4601 + ... + 22539.

It is an arithmetic number, because the mean of its divisors is an integer number (14531400).

Almost surely, 2^243432230 is an apocalyptic number.

243432230 is a deficient number, since it is larger than the sum of its proper divisors (221572570).

243432230 is a wasteful number, since it uses less digits than its factorization.

243432230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 243432230 is about 15602.3148923485. The cubic root of 243432230 is about 624.3949173223.

Adding to 243432230 its reverse (32234342), we get a palindrome (275666572).

The spelling of 243432230 in words is "two hundred forty-three million, four hundred thirty-two thousand, two hundred thirty".