243541230 has 64 divisors (see below), whose sum is σ = 601473600. Its totient is φ = 63073280.

The previous prime is 243541187. The next prime is 243541237. The reversal of 243541230 is 32145342.

It is a super-3 number, since 3×243541230³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243541230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243541237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478216 + ... + 478724.

It is an arithmetic number, because the mean of its divisors is an integer number (9398025).

Almost surely, 2^243541230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243541230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300736800).

243541230 is an abundant number, since it is smaller than the sum of its proper divisors (357932370).

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

243541230 is a wasteful number, since it uses less digits than its factorization.

243541230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243541230 is about 15605.8075728237. The cubic root of 243541230 is about 624.4880971098.

Adding to 243541230 its reverse (32145342), we get a palindrome (275686572).

The spelling of 243541230 in words is "two hundred forty-three million, five hundred forty-one thousand, two hundred thirty".