243223304305 has 8 divisors (see below), whose sum is σ = 291896744832. Its totient is φ = 194559457008.

The previous prime is 243223304299. The next prime is 243223304321. The reversal of 243223304305 is 503403322342.

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 243223304305 - 2⁵ = 243223304273 is a prime.

It is a Duffinian 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, 2342409 + ... + 2444038.

It is an arithmetic number, because the mean of its divisors is an integer number (36487093104).

Almost surely, 2^243223304305 is an apocalyptic number.

It is an amenable number.

243223304305 is a deficient number, since it is larger than the sum of its proper divisors (48673440527).

243223304305 is a wasteful number, since it uses less digits than its factorization.

243223304305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796615.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 243223304305 its reverse (503403322342), we get a palindrome (746626626647).

The spelling of 243223304305 in words is "two hundred forty-three billion, two hundred twenty-three million, three hundred four thousand, three hundred five".