228123049 has 8 divisors (see below), whose sum is σ = 284413248. Its totient is φ = 177758160.

The previous prime is 228123043. The next prime is 228123083. The reversal of 228123049 is 940321822.

228123049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 228123049 - 2²³ = 219734441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228123049.

It is not an unprimeable number, because it can be changed into a prime (228123043) 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, 1481242 + ... + 1481395.

It is an arithmetic number, because the mean of its divisors is an integer number (35551656).

Almost surely, 2^228123049 is an apocalyptic number.

It is an amenable number.

228123049 is a deficient number, since it is larger than the sum of its proper divisors (56290199).

228123049 is a wasteful number, since it uses less digits than its factorization.

228123049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962655.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 228123049 is about 15103.7428804916. The cubic root of 228123049 is about 611.0213553162.

The spelling of 228123049 in words is "two hundred twenty-eight million, one hundred twenty-three thousand, forty-nine".