23430 is nontrivially palindromic in base 14.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a nialpdrome in base 13.
It is a congruent number.
23430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
223430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23430, 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.
23430 is a wasteful number, since it uses less digits than its factorization.
23430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92.
The square root of 23430 is about 153.0686120666. The cubic root of 23430 is about 28.6148031669.
Adding to 23430 its reverse (3432), we get a palindrome (26862).
The spelling of 23430 in words is "twenty-three thousand, four hundred thirty".