243830012 has 12 divisors (see below), whose sum is σ = 426858936. Its totient is φ = 121870320.

The previous prime is 243830009. The next prime is 243830023. The reversal of 243830012 is 210038342.

243830012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243830012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (35571578).

Almost surely, 2^243830012 is an apocalyptic number.

It is an amenable number.

243830012 is a deficient number, since it is larger than the sum of its proper divisors (183028924).

243830012 is a wasteful number, since it uses less digits than its factorization.

243830012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348 (or 22346 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 243830012 is about 15615.0572205164. The cubic root of 243830012 is about 624.7348310860.

Adding to 243830012 its reverse (210038342), we get a palindrome (453868354).

The spelling of 243830012 in words is "two hundred forty-three million, eight hundred thirty thousand, twelve".