243404210423 has 8 divisors (see below), whose sum is σ = 279507227520. Its totient is φ = 209630420280.

The previous prime is 243404210381. The next prime is 243404210443. The reversal of 243404210423 is 324012404342.

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 243404210423 - 2¹² = 243404206327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243404210443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582306515 + ... + 582306932.

It is an arithmetic number, because the mean of its divisors is an integer number (34938403440).

Almost surely, 2^243404210423 is an apocalyptic number.

243404210423 is a deficient number, since it is larger than the sum of its proper divisors (36103017097).

243404210423 is a wasteful number, since it uses less digits than its factorization.

243404210423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164613477.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243404210423 its reverse (324012404342), we get a palindrome (567416614765).

The spelling of 243404210423 in words is "two hundred forty-three billion, four hundred four million, two hundred ten thousand, four hundred twenty-three".