243023232 has 64 divisors (see below), whose sum is σ = 657765360. Its totient is φ = 79472640.

The previous prime is 243023213. The next prime is 243023251. The reversal of 243023232 is 232320342.

243023232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243023213) and next prime (243023251).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 243023199 and 243023208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14382 + ... + 26322.

Almost surely, 2^243023232 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 243023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328882680).

243023232 is an abundant number, since it is smaller than the sum of its proper divisors (414742128).

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

243023232 is a wasteful number, since it uses less digits than its factorization.

243023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 11999 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243023232 is about 15589.2024170578. The cubic root of 243023232 is about 624.0450329104.

Adding to 243023232 its reverse (232320342), we get a palindrome (475343574).

The spelling of 243023232 in words is "two hundred forty-three million, twenty-three thousand, two hundred thirty-two".