243130343 has 8 divisors (see below), whose sum is σ = 244387920. Its totient is φ = 241876800.

The previous prime is 243130319. The next prime is 243130373. The reversal of 243130343 is 343031342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243130343 - 2¹⁶ = 243064807 is a prime.

It is a super-3 number, since 3×243130343³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130373) 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, 238088 + ... + 239106.

It is an arithmetic number, because the mean of its divisors is an integer number (30548490).

Almost surely, 2^243130343 is an apocalyptic number.

243130343 is a deficient number, since it is larger than the sum of its proper divisors (1257577).

243130343 is a wasteful number, since it uses less digits than its factorization.

243130343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 243130343 is about 15592.6374613149. The cubic root of 243130343 is about 624.1367007855.

Adding to 243130343 its reverse (343031342), we get a palindrome (586161685).

Subtracting 243130343 from its reverse (343031342), we obtain a palindrome (99900999).

The spelling of 243130343 in words is "two hundred forty-three million, one hundred thirty thousand, three hundred forty-three".