228117660823 has 8 divisors (see below), whose sum is σ = 245673766800. Its totient is φ = 210562782528.

The previous prime is 228117660821. The next prime is 228117660923. The reversal of 228117660823 is 328066711822.

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 228117660823 - 2¹ = 228117660821 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 (228117660821) 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, 98883 + ... + 682651.

It is an arithmetic number, because the mean of its divisors is an integer number (30709220850).

Almost surely, 2^228117660823 is an apocalyptic number.

228117660823 is a deficient number, since it is larger than the sum of its proper divisors (17556105977).

228117660823 is a wasteful number, since it uses less digits than its factorization.

228117660823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613841.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 228117660823 in words is "two hundred twenty-eight billion, one hundred seventeen million, six hundred sixty thousand, eight hundred twenty-three".