228043823 has 8 divisors (see below), whose sum is σ = 260719392. Its totient is φ = 195392736.

The previous prime is 228043819. The next prime is 228043841. The reversal of 228043823 is 328340822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228043823 - 2² = 228043819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228043823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228043853) by changing a digit.

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, 23261 + ... + 31577.

It is an arithmetic number, because the mean of its divisors is an integer number (32589924).

Almost surely, 2^228043823 is an apocalyptic number.

228043823 is a deficient number, since it is larger than the sum of its proper divisors (32675569).

228043823 is an equidigital number, since it uses as much as digits as its factorization.

228043823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 228043823 is about 15101.1199253565. The cubic root of 228043823 is about 610.9506122338.

The spelling of 228043823 in words is "two hundred twenty-eight million, forty-three thousand, eight hundred twenty-three".