23970 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
23970 is an undulating number in base 13.
It is a congruent number.
223970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23970 is a wasteful number, since it uses less digits than its factorization.
23970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74.
The square root of 23970 is about 154.8224789880. The cubic root of 23970 is about 28.8329676484.
The spelling of 23970 in words is "twenty-three thousand, nine hundred seventy".