Adding to 23436 its reverse (63432), we get a palindrome (86868).
23436 is nontrivially palindromic in base 5 and base 13.
23436 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 25 + 35 + 47 + 38 + 63 .
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
23436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
223436 is an apocalyptic number.
23436 is the 216-th triangular number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23436 is a wasteful number, since it uses less digits than its factorization.
23436 is an evil number, because the sum of its binary digits is even.
The square root of 23436 is about 153.0882098661. The cubic root of 23436 is about 28.6172455365.
The spelling of 23436 in words is "twenty-three thousand, four hundred thirty-six".