243043214 has 4 divisors (see below), whose sum is σ = 364564824. Its totient is φ = 121521606.

The previous prime is 243043211. The next prime is 243043223. The reversal of 243043214 is 412340342.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 243043214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243043211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60760802 + ... + 60760805.

It is an arithmetic number, because the mean of its divisors is an integer number (91141206).

Almost surely, 2^243043214 is an apocalyptic number.

243043214 is a deficient number, since it is larger than the sum of its proper divisors (121521610).

243043214 is a wasteful number, since it uses less digits than its factorization.

243043214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121521609.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 243043214 is about 15589.8432961977. The cubic root of 243043214 is about 624.0621359750.

Adding to 243043214 its reverse (412340342), we get a palindrome (655383556).

The spelling of 243043214 in words is "two hundred forty-three million, forty-three thousand, two hundred fourteen".