123036228 has 36 divisors (see below), whose sum is σ = 355438720. Its totient is φ = 35153136.

The previous prime is 123036227. The next prime is 123036239. The reversal of 123036228 is 822630321.

123036228 is a `hidden beast` number, since 1 + 2 + 30 + 3 + 622 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (123036227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243868 + ... + 244371.

Almost surely, 2^123036228 is an apocalyptic number.

123036228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123036228 is an abundant number, since it is smaller than the sum of its proper divisors (232402492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123036228 is a wasteful number, since it uses less digits than its factorization.

123036228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488256 (or 488251 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 123036228 is about 11092.1696705379. The cubic root of 123036228 is about 497.3678047457.

Adding to 123036228 its reverse (822630321), we get a palindrome (945666549).

The spelling of 123036228 in words is "one hundred twenty-three million, thirty-six thousand, two hundred twenty-eight".