243423055 has 8 divisors (see below), whose sum is σ = 294210000. Its totient is φ = 193336896.

The previous prime is 243423049. The next prime is 243423073. The reversal of 243423055 is 550324342.

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 243423055 - 2¹¹ = 243421007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174430 + ... + 175819.

It is an arithmetic number, because the mean of its divisors is an integer number (36776250).

Almost surely, 2^243423055 is an apocalyptic number.

243423055 is a deficient number, since it is larger than the sum of its proper divisors (50786945).

243423055 is a wasteful number, since it uses less digits than its factorization.

243423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350393.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 243423055 is about 15602.0208626960. The cubic root of 243423055 is about 624.3870727087.

Adding to 243423055 its reverse (550324342), we get a palindrome (793747397).

The spelling of 243423055 in words is "two hundred forty-three million, four hundred twenty-three thousand, fifty-five".