243256068 has 96 divisors (see below), whose sum is σ = 696568320. Its totient is φ = 72796320.

The previous prime is 243256051. The next prime is 243256081. The reversal of 243256068 is 860652342.

243256068 is a `hidden beast` number, since 2 + 4 + 32 + 560 + 68 = 666.

243256068 is digitally balanced in base 3, 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97371 + ... + 99837.

It is an arithmetic number, because the mean of its divisors is an integer number (7255920).

Almost surely, 2^243256068 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 243256068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348284160).

243256068 is an abundant number, since it is smaller than the sum of its proper divisors (453312252).

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

243256068 is a wasteful number, since it uses less digits than its factorization.

243256068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 243256068 is about 15596.6684904181. The cubic root of 243256068 is about 624.2442645773.

The spelling of 243256068 in words is "two hundred forty-three million, two hundred fifty-six thousand, sixty-eight".