123608 has 8 divisors (see below), whose sum is σ = 231780. Its totient is φ = 61800.

The previous prime is 123601. The next prime is 123619. The reversal of 123608 is 806321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 123608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7718 + ... + 7733.

2¹²³⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

123608 is a deficient number, since it is larger than the sum of its proper divisors (108172).

123608 is a wasteful number, since it uses less digits than its factorization.

123608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15457 (or 15453 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 123608 is about 351.5792940433. The cubic root of 123608 is about 49.8137067586.

Adding to 123608 its reverse (806321), we get a palindrome (929929).

The spelling of 123608 in words is "one hundred twenty-three thousand, six hundred eight".