243340214 has 16 divisors (see below), whose sum is σ = 397144608. Its totient is φ = 111151872.

The previous prime is 243340213. The next prime is 243340267. The reversal of 243340214 is 412043342.

It is a self number, because there is not a number n which added to its sum of digits gives 243340214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243340213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45722 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (24821538).

Almost surely, 2^243340214 is an apocalyptic number.

243340214 is a deficient number, since it is larger than the sum of its proper divisors (153804394).

243340214 is a wasteful number, since it uses less digits than its factorization.

243340214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96599.

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

The square root of 243340214 is about 15599.3658204428. The cubic root of 243340214 is about 624.3162348304.

Adding to 243340214 its reverse (412043342), we get a palindrome (655383556).

The spelling of 243340214 in words is "two hundred forty-three million, three hundred forty thousand, two hundred fourteen".