243723256026 has 16 divisors (see below), whose sum is σ = 487451520864. Its totient is φ = 81240250544.

The previous prime is 243723255967. The next prime is 243723256081. The reversal of 243723256026 is 620652327342.

243723256026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 795700 + ... + 1058576.

It is an arithmetic number, because the mean of its divisors is an integer number (30465720054).

Almost surely, 2^243723256026 is an apocalyptic number.

243723256026 is an abundant number, since it is smaller than the sum of its proper divisors (243728264838).

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

243723256026 is a wasteful number, since it uses less digits than its factorization.

243723256026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417405.

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 243723256026 in words is "two hundred forty-three billion, seven hundred twenty-three million, two hundred fifty-six thousand, twenty-six".