1123323101 has 2 divisors, whose sum is σ = 1123323102. Its totient is φ = 1123323100.

The previous prime is 1123323083. The next prime is 1123323107. The reversal of 1123323101 is 1013233211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988159225 + 135163876 = 31435^2 + 11626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123323101 - 2¹⁸ = 1123060957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123323101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123323107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561661550 + 561661551.

It is an arithmetic number, because the mean of its divisors is an integer number (561661551).

Almost surely, 2^1123323101 is an apocalyptic number.

It is an amenable number.

1123323101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123323101 is an equidigital number, since it uses as much as digits as its factorization.

1123323101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1123323101 is about 33516.0126059172. The cubic root of 1123323101 is about 1039.5249004136.

Adding to 1123323101 its reverse (1013233211), we get a palindrome (2136556312).

The spelling of 1123323101 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred one".