243669383 has 8 divisors (see below), whose sum is σ = 261136608. Its totient is φ = 226774944.

The previous prime is 243669353. The next prime is 243669389. The reversal of 243669383 is 383966342.

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 243669383 - 2¹⁸ = 243407239 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 (243669389) by changing a digit.

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, 142316 + ... + 144017.

It is an arithmetic number, because the mean of its divisors is an integer number (32642076).

Almost surely, 2^243669383 is an apocalyptic number.

243669383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243669383 is a deficient number, since it is larger than the sum of its proper divisors (17467225).

243669383 is a wasteful number, since it uses less digits than its factorization.

243669383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286393.

The product of its digits is 559872, while the sum is 44.

The square root of 243669383 is about 15609.9129722110. The cubic root of 243669383 is about 624.5976144864.

The spelling of 243669383 in words is "two hundred forty-three million, six hundred sixty-nine thousand, three hundred eighty-three".