123315606 has 24 divisors (see below), whose sum is σ = 268683480. Its totient is φ = 40874496.

The previous prime is 123315601. The next prime is 123315607. The reversal of 123315606 is 606513321.

123315606 is a `hidden beast` number, since 1 + 23 + 31 + 5 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 123315606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315601) 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, 15915 + ... + 22358.

It is an arithmetic number, because the mean of its divisors is an integer number (11195145).

Almost surely, 2^123315606 is an apocalyptic number.

123315606 is an abundant number, since it is smaller than the sum of its proper divisors (145367874).

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

123315606 is a wasteful number, since it uses less digits than its factorization.

123315606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460 (or 38457 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 123315606 is about 11104.7560081255. The cubic root of 123315606 is about 497.7439773669.

Adding to 123315606 its reverse (606513321), we get a palindrome (729828927).

The spelling of 123315606 in words is "one hundred twenty-three million, three hundred fifteen thousand, six hundred six".