Adding to 103123340 its reverse (43321301), we get a palindrome (146444641).
It is a happy number.
It is an unprimeable number.
Almost surely, 2103123340 is an apocalyptic number.
103123340 is a gapful number since it is divisible by the number (10) 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.
103123340 is a wasteful number, since it uses less digits than its factorization.
103123340 is an odious number, because the sum of its binary digits is odd.
The square root of 103123340 is about 10154.9662727160. The cubic root of 103123340 is about 468.9418476338.
The spelling of 103123340 in words is "one hundred three million, one hundred twenty-three thousand, three hundred forty".