It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1423601 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1423601.
21423601 is an apocalyptic number.
It is an amenable number.
1423601 is an equidigital number, since it uses as much as digits as its factorization.
1423601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33150.
The square root of 1423601 is about 1193.1475181217. The cubic root of 1423601 is about 112.4940177889.
Adding to 1423601 its reverse (1063241), we get a palindrome (2486842).
The spelling of 1423601 in words is "one million, four hundred twenty-three thousand, six hundred one".