243723441472 has 28 divisors (see below), whose sum is σ = 552729948640. Its totient is φ = 104452903296.

The previous prime is 243723441463. The next prime is 243723441497. The reversal of 243723441472 is 274144327342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×243723441472³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 272012322 + ... + 272013217.

Almost surely, 2^243723441472 is an apocalyptic number.

It is an amenable number.

243723441472 is an abundant number, since it is smaller than the sum of its proper divisors (309006507168).

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

243723441472 is an equidigital number, since it uses as much as digits as its factorization.

243723441472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544025558 (or 544025548 counting only the distinct ones).

The product of its digits is 903168, while the sum is 43.

The spelling of 243723441472 in words is "two hundred forty-three billion, seven hundred twenty-three million, four hundred forty-one thousand, four hundred seventy-two".