243124434304 has 128 divisors (see below), whose sum is σ = 523349449920. Its totient is φ = 112082288640.

The previous prime is 243124434263. The next prime is 243124434353. The reversal of 243124434304 is 403434421342.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×243124434304³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 243124434304.

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 15 ways as a sum of consecutive naturals, for example, 34109589 + ... + 34116715.

Almost surely, 2^243124434304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243124434304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261674724960).

243124434304 is an abundant number, since it is smaller than the sum of its proper divisors (280225015616).

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

243124434304 is a wasteful number, since it uses less digits than its factorization.

243124434304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 243124434304 its reverse (403434421342), we get a palindrome (646558855646).

The spelling of 243124434304 in words is "two hundred forty-three billion, one hundred twenty-four million, four hundred thirty-four thousand, three hundred four".