Adding to 123676 its reverse (676321), we get a palindrome (799997).
It is an alternating number because its digits alternate between odd and even.
It is a nialpdrome in base 14.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 123676.
It is a congruent number.
2123676 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123676 is a wasteful number, since it uses less digits than its factorization.
123676 is an odious number, because the sum of its binary digits is odd.
The square root of 123676 is about 351.6759872383. The cubic root of 123676 is about 49.8228396926.
The spelling of 123676 in words is "one hundred twenty-three thousand, six hundred seventy-six".