228168387332843 has 4 divisors (see below), whose sum is σ = 228697780343328. Its totient is φ = 227638994322360.

The previous prime is 228168387332833. The next prime is 228168387332849. The reversal of 228168387332843 is 348233783861822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228168387332843 - 2⁴ = 228168387332827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228168387332849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264696504596 + ... + 264696505457.

It is an arithmetic number, because the mean of its divisors is an integer number (57174445085832).

Almost surely, 2^{228168387332843} is an apocalyptic number.

228168387332843 is a deficient number, since it is larger than the sum of its proper divisors (529393010485).

228168387332843 is an equidigital number, since it uses as much as digits as its factorization.

228168387332843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529393010484.

The product of its digits is 445906944, while the sum is 68.

The spelling of 228168387332843 in words is "two hundred twenty-eight trillion, one hundred sixty-eight billion, three hundred eighty-seven million, three hundred thirty-two thousand, eight hundred forty-three".