It is a self number, because there is not a number n which added to its sum of digits gives 13423044.
It is a congruent number.
It is an unprimeable number.
Almost surely, 213423044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13423044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16662240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13423044 is a wasteful number, since it uses less digits than its factorization.
13423044 is an odious number, because the sum of its binary digits is odd.
The square root of 13423044 is about 3663.7472620256. The cubic root of 13423044 is about 237.6568507751.
Adding to 13423044 its reverse (44032431), we get a palindrome (57455475).
The spelling of 13423044 in words is "thirteen million, four hundred twenty-three thousand, forty-four".