243113912 has 16 divisors (see below), whose sum is σ = 456897840. Its totient is φ = 121274496.

The previous prime is 243113909. The next prime is 243113929. The reversal of 243113912 is 219311342.

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 3 ways as a sum of consecutive naturals, for example, 31628 + ... + 38555.

It is an arithmetic number, because the mean of its divisors is an integer number (28556115).

Almost surely, 2^243113912 is an apocalyptic number.

It is an amenable number.

243113912 is a deficient number, since it is larger than the sum of its proper divisors (213783928).

243113912 is a wasteful number, since it uses less digits than its factorization.

243113912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70622 (or 70618 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 243113912 is about 15592.1105691308. The cubic root of 243113912 is about 624.1226405342.

The spelling of 243113912 in words is "two hundred forty-three million, one hundred thirteen thousand, nine hundred twelve".