228108123 has 16 divisors (see below), whose sum is σ = 340212000. Its totient is φ = 151048800.

The previous prime is 228108119. The next prime is 228108143. The reversal of 228108123 is 321801822.

It is not a de Polignac number, because 228108123 - 2² = 228108119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (228108143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24328 + ... + 32373.

It is an arithmetic number, because the mean of its divisors is an integer number (21263250).

Almost surely, 2^228108123 is an apocalyptic number.

228108123 is a deficient number, since it is larger than the sum of its proper divisors (112103877).

228108123 is a wasteful number, since it uses less digits than its factorization.

228108123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56859 (or 56853 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 228108123 is about 15103.2487564762. The cubic root of 228108123 is about 611.0080287312.

Adding to 228108123 its reverse (321801822), we get a palindrome (549909945).

The spelling of 228108123 in words is "two hundred twenty-eight million, one hundred eight thousand, one hundred twenty-three".