Adding to 23140344 its reverse (44304132), we get a palindrome (67444476).
It is a self number, because there is not a number n which added to its sum of digits gives 23140344.
It is a congruent number.
It is an unprimeable number.
Almost surely, 223140344 is an apocalyptic number.
23140344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23140344 is a wasteful number, since it uses less digits than its factorization.
23140344 is an odious number, because the sum of its binary digits is odd.
The square root of 23140344 is about 4810.4411440116. The cubic root of 23140344 is about 284.9639597394.
The spelling of 23140344 in words is "twenty-three million, one hundred forty thousand, three hundred forty-four".