243143230 has 64 divisors (see below), whose sum is σ = 497995776. Its totient is φ = 84672000.

The previous prime is 243143227. The next prime is 243143233. The reversal of 243143230 is 32341342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243143227) and next prime (243143233).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243143233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385015 + ... + 385645.

It is an arithmetic number, because the mean of its divisors is an integer number (7781184).

Almost surely, 2^243143230 is an apocalyptic number.

243143230 is an abundant number, since it is smaller than the sum of its proper divisors (254852546).

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

243143230 is a wasteful number, since it uses less digits than its factorization.

243143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243143230 is about 15593.0506957426. The cubic root of 243143230 is about 624.1477279400.

Adding to 243143230 its reverse (32341342), we get a palindrome (275484572).

The spelling of 243143230 in words is "two hundred forty-three million, one hundred forty-three thousand, two hundred thirty".