123606828 has 36 divisors (see below), whose sum is σ = 315380520. Its totient is φ = 40815936.

The previous prime is 123606823. The next prime is 123606869. The reversal of 123606828 is 828606321.

123606828 is a `hidden beast` number, since 1 + 23 + 606 + 8 + 28 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123606792 and 123606801.

It is not an unprimeable number, because it can be changed into a prime (123606823) 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, 12193 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (8760570).

Almost surely, 2^123606828 is an apocalyptic number.

123606828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123606828 is an abundant number, since it is smaller than the sum of its proper divisors (191773692).

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

123606828 is a wasteful number, since it uses less digits than its factorization.

123606828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206 (or 32201 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 123606828 is about 11117.8607654530. The cubic root of 123606828 is about 498.1354932045.

The spelling of 123606828 in words is "one hundred twenty-three million, six hundred six thousand, eight hundred twenty-eight".