It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1120123303 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 21120123303 is an apocalyptic number.
1120123303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1120123303 is an equidigital number, since it uses as much as digits as its factorization.
1120123303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86163344.
The square root of 1120123303 is about 33468.2432015784. The cubic root of 1120123303 is about 1038.5369290968.
Adding to 1120123303 its reverse (3033210211), we get a palindrome (4153333514).
The spelling of 1120123303 in words is "one billion, one hundred twenty million, one hundred twenty-three thousand, three hundred three".