243142304323 has 8 divisors (see below), whose sum is σ = 243756117920. Its totient is φ = 242529215040.

The previous prime is 243142304303. The next prime is 243142304357. The reversal of 243142304323 is 323403241342.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243142304323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243142304303) 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, 494311 + ... + 854767.

It is an arithmetic number, because the mean of its divisors is an integer number (30469514740).

Almost surely, 2^243142304323 is an apocalyptic number.

243142304323 is a deficient number, since it is larger than the sum of its proper divisors (613813597).

243142304323 is a wasteful number, since it uses less digits than its factorization.

243142304323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362157.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243142304323 its reverse (323403241342), we get a palindrome (566545545665).

The spelling of 243142304323 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred four thousand, three hundred twenty-three".