243043052 has 48 divisors (see below), whose sum is σ = 499699200. Its totient is φ = 101267712.

The previous prime is 243043043. The next prime is 243043057. The reversal of 243043052 is 250340342.

It is not an unprimeable number, because it can be changed into a prime (243043057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405449 + ... + 406047.

It is an arithmetic number, because the mean of its divisors is an integer number (10410400).

Almost surely, 2^243043052 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 243043052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249849600).

243043052 is an abundant number, since it is smaller than the sum of its proper divisors (256656148).

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

243043052 is a wasteful number, since it uses less digits than its factorization.

243043052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243043052 is about 15589.8381005064. The cubic root of 243043052 is about 624.0619973191.

Adding to 243043052 its reverse (250340342), we get a palindrome (493383394).

The spelling of 243043052 in words is "two hundred forty-three million, forty-three thousand, fifty-two".