243857475230 has 24 divisors (see below), whose sum is σ = 443515468248. Its totient is φ = 96537355008.

The previous prime is 243857475223. The next prime is 243857475241. The reversal of 243857475230 is 32574758342.

243857475230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1201784 + ... + 1389963.

It is an arithmetic number, because the mean of its divisors is an integer number (18479811177).

Almost surely, 2^243857475230 is an apocalyptic number.

243857475230 is a deficient number, since it is larger than the sum of its proper divisors (199657993018).

243857475230 is an equidigital number, since it uses as much as digits as its factorization.

243857475230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591948 (or 2591851 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 243857475230 in words is "two hundred forty-three billion, eight hundred fifty-seven million, four hundred seventy-five thousand, two hundred thirty".