1123303 has 2 divisors, whose sum is σ = 1123304.
Its totient is φ = 1123302.
The previous prime is 1123279. The next prime is 1123307. The reversal of 1123303 is 3033211.
Adding to 1123303 its reverse (3033211), we get a palindrome (4156514).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1123303 - 217 = 992231 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1123307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561651 + 561652.
It is an arithmetic number, because the mean of its divisors is an integer number (561652).
21123303 is an apocalyptic number.
1123303 is a deficient number, since it is larger than the sum of its proper divisors (1).
1123303 is an equidigital number, since it uses as much as digits as its factorization.
1123303 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 1123303 is about 1059.8598964014.
The cubic root of 1123303 is about 103.9518699878.
The spelling of 1123303 in words is "one million, one hundred twenty-three thousand, three hundred three".