1128403223 has 2 divisors, whose sum is σ = 1128403224. Its totient is φ = 1128403222.

The previous prime is 1128403147. The next prime is 1128403247. The reversal of 1128403223 is 3223048211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128403223 - 2²⁰ = 1127354647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1128403192 and 1128403201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128403273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564201611 + 564201612.

It is an arithmetic number, because the mean of its divisors is an integer number (564201612).

Almost surely, 2^1128403223 is an apocalyptic number.

1128403223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128403223 is an equidigital number, since it uses as much as digits as its factorization.

1128403223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1128403223 is about 33591.7136061857. The cubic root of 1128403223 is about 1041.0895949177.

The spelling of 1128403223 in words is "one billion, one hundred twenty-eight million, four hundred three thousand, two hundred twenty-three".