1123168253 has 2 divisors, whose sum is σ = 1123168254. Its totient is φ = 1123168252.

The previous prime is 1123168247. The next prime is 1123168283. The reversal of 1123168253 is 3528613211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904926724 + 218241529 = 30082^2 + 14773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123168253 - 2⁴ = 1123168237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123168283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561584126 + 561584127.

It is an arithmetic number, because the mean of its divisors is an integer number (561584127).

Almost surely, 2^1123168253 is an apocalyptic number.

It is an amenable number.

1123168253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123168253 is an equidigital number, since it uses as much as digits as its factorization.

1123168253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 1123168253 is about 33513.7024663047. The cubic root of 1123168253 is about 1039.4771326940.

The spelling of 1123168253 in words is "one billion, one hundred twenty-three million, one hundred sixty-eight thousand, two hundred fifty-three".