243723703272 has 192 divisors, whose sum is σ = 718815052800. Its totient is φ = 68652904320.

The previous prime is 243723703231. The next prime is 243723703297. The reversal of 243723703272 is 272307327342.

243723703272 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 (42).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 82032747 + ... + 82035717.

It is an arithmetic number, because the mean of its divisors is an integer number (3743828400).

Almost surely, 2^243723703272 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 243723703272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359407526400).

243723703272 is an abundant number, since it is smaller than the sum of its proper divisors (475091349528).

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

243723703272 is a wasteful number, since it uses less digits than its factorization.

243723703272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 42.

The spelling of 243723703272 in words is "two hundred forty-three billion, seven hundred twenty-three million, seven hundred three thousand, two hundred seventy-two".