243421340214 has 64 divisors (see below), whose sum is σ = 534603783168. Its totient is φ = 73433692800.

The previous prime is 243421340119. The next prime is 243421340263. The reversal of 243421340214 is 412043124342.

243421340214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1397487 + ... + 1561989.

It is an arithmetic number, because the mean of its divisors is an integer number (8353184112).

Almost surely, 2^243421340214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243421340214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267301891584).

243421340214 is an abundant number, since it is smaller than the sum of its proper divisors (291182442954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243421340214 is a wasteful number, since it uses less digits than its factorization.

243421340214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164893.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243421340214 its reverse (412043124342), we get a palindrome (655464464556).

The spelling of 243421340214 in words is "two hundred forty-three billion, four hundred twenty-one million, three hundred forty thousand, two hundred fourteen".