243421240334 has 8 divisors (see below), whose sum is σ = 365138571600. Its totient is φ = 121708383136.

The previous prime is 243421240327. The next prime is 243421240373. The reversal of 243421240334 is 433042124342.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243421240334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979019 + ... + 1202214.

It is an arithmetic number, because the mean of its divisors is an integer number (45642321450).

Almost surely, 2^243421240334 is an apocalyptic number.

243421240334 is a deficient number, since it is larger than the sum of its proper divisors (121717331266).

243421240334 is a wasteful number, since it uses less digits than its factorization.

243421240334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237034.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 243421240334 its reverse (433042124342), we get a palindrome (676463364676).

The spelling of 243421240334 in words is "two hundred forty-three billion, four hundred twenty-one million, two hundred forty thousand, three hundred thirty-four".