243234341405 has 8 divisors (see below), whose sum is σ = 318415865184. Its totient is φ = 176897702800.

The previous prime is 243234341393. The next prime is 243234341423. The reversal of 243234341405 is 504143432342.

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

It is not a de Polignac number, because 243234341405 - 2³⁴ = 226054472221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 2211221231 + ... + 2211221340.

It is an arithmetic number, because the mean of its divisors is an integer number (39801983148).

Almost surely, 2^243234341405 is an apocalyptic number.

It is an amenable number.

243234341405 is a deficient number, since it is larger than the sum of its proper divisors (75181523779).

243234341405 is a wasteful number, since it uses less digits than its factorization.

243234341405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422442587.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 243234341405 its reverse (504143432342), we get a palindrome (747377773747).

The spelling of 243234341405 in words is "two hundred forty-three billion, two hundred thirty-four million, three hundred forty-one thousand, four hundred five".