It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
Almost surely, 21123449768 is an apocalyptic number.
1123449768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1123449768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741240800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123449768 is a wasteful number, since it uses less digits than its factorization.
1123449768 is an odious number, because the sum of its binary digits is odd.
The square root of 1123449768 is about 33517.9022016593. The cubic root of 1123449768 is about 1039.5639715563.
The spelling of 1123449768 in words is "one billion, one hundred twenty-three million, four hundred forty-nine thousand, seven hundred sixty-eight".