243804885223873 has 8 divisors (see below), whose sum is σ = 245302354684928. Its totient is φ = 242307436909104.

The previous prime is 243804885223859. The next prime is 243804885223927. The reversal of 243804885223873 is 378322588408342.

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 243804885223873 - 2⁴¹ = 241605861968321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243804885223799 and 243804885223808.

It is not an unprimeable number, because it can be changed into a prime (243804885223973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18161536 + ... + 28591102.

It is an arithmetic number, because the mean of its divisors is an integer number (30662794335616).

Almost surely, 2^{243804885223873} is an apocalyptic number.

It is an amenable number.

243804885223873 is a deficient number, since it is larger than the sum of its proper divisors (1497469461055).

243804885223873 is a wasteful number, since it uses less digits than its factorization.

243804885223873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573143.

The product of its (nonzero) digits is 495452160, while the sum is 67.

The spelling of 243804885223873 in words is "two hundred forty-three trillion, eight hundred four billion, eight hundred eighty-five million, two hundred twenty-three thousand, eight hundred seventy-three".