243423335 has 8 divisors (see below), whose sum is σ = 292749936. Its totient is φ = 194310720.

The previous prime is 243423263. The next prime is 243423347. The reversal of 243423335 is 533324342.

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

It is not a de Polignac number, because 243423335 - 2¹⁶ = 243357799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243423298 and 243423307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50981 + ... + 55550.

It is an arithmetic number, because the mean of its divisors is an integer number (36593742).

Almost surely, 2^243423335 is an apocalyptic number.

243423335 is a deficient number, since it is larger than the sum of its proper divisors (49326601).

243423335 is a wasteful number, since it uses less digits than its factorization.

243423335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106993.

The product of its digits is 25920, while the sum is 29.

The square root of 243423335 is about 15602.0298358899. The cubic root of 243423335 is about 624.3873121113.

Adding to 243423335 its reverse (533324342), we get a palindrome (776747677).

The spelling of 243423335 in words is "two hundred forty-three million, four hundred twenty-three thousand, three hundred thirty-five".