243333012 has 96 divisors (see below), whose sum is σ = 641449984. Its totient is φ = 71280000.

The previous prime is 243332963. The next prime is 243333037. The reversal of 243333012 is 210333342.

243333012 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 243333012.

It is a congruent number.

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, 323637 + ... + 324387.

Almost surely, 2^243333012 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 243333012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320724992).

243333012 is an abundant number, since it is smaller than the sum of its proper divisors (398116972).

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

243333012 is a wasteful number, since it uses less digits than its factorization.

243333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 243333012 is about 15599.1349760171. The cubic root of 243333012 is about 624.3100755938.

Adding to 243333012 its reverse (210333342), we get a palindrome (453666354).

It can be divided in two parts, 2433330 and 12, that added together give a palindrome (2433342).

The spelling of 243333012 in words is "two hundred forty-three million, three hundred thirty-three thousand, twelve".