243121224384 has 112 divisors (see below), whose sum is σ = 739377439200. Its totient is φ = 78245895168.

The previous prime is 243121224383. The next prime is 243121224407. The reversal of 243121224384 is 483422121342.

243121224384 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 212 + 2 + 438 + 4 = 666.

243121224384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (243121224383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375667 + ... + 2475890.

Almost surely, 2^243121224384 is an apocalyptic number.

243121224384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243121224384 is an abundant number, since it is smaller than the sum of its proper divisors (496256214816).

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

243121224384 is a wasteful number, since it uses less digits than its factorization.

243121224384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851607 (or 4851591 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The spelling of 243121224384 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred twenty-four thousand, three hundred eighty-four".