243012032 has 56 divisors (see below), whose sum is σ = 494995200. Its totient is φ = 118331136.

The previous prime is 243012031. The next prime is 243012047. The reversal of 243012032 is 230210342.

It is a self number, because there is not a number n which added to its sum of digits gives 243012032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243012031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524633 + ... + 525095.

It is an arithmetic number, because the mean of its divisors is an integer number (8839200).

Almost surely, 2^243012032 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 243012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247497600).

243012032 is an abundant number, since it is smaller than the sum of its proper divisors (251983168).

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

243012032 is a wasteful number, since it uses less digits than its factorization.

243012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 243012032 is about 15588.8431899227. The cubic root of 243012032 is about 624.0354461565.

Adding to 243012032 its reverse (230210342), we get a palindrome (473222374).

The spelling of 243012032 in words is "two hundred forty-three million, twelve thousand, thirty-two".