243321112 has 16 divisors (see below), whose sum is σ = 459135360. Its totient is φ = 120885024.

The previous prime is 243321109. The next prime is 243321137. The reversal of 243321112 is 211123342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243321112.

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, 95608 + ... + 98119.

It is an arithmetic number, because the mean of its divisors is an integer number (28695960).

Almost surely, 2^243321112 is an apocalyptic number.

It is an amenable number.

243321112 is a deficient number, since it is larger than the sum of its proper divisors (215814248).

243321112 is a wasteful number, since it uses less digits than its factorization.

243321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193890 (or 193886 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 243321112 is about 15598.7535399467. The cubic root of 243321112 is about 624.2998983050.

Adding to 243321112 its reverse (211123342), we get a palindrome (454444454).

The spelling of 243321112 in words is "two hundred forty-three million, three hundred twenty-one thousand, one hundred twelve".