11123323117 has 2 divisors, whose sum is σ = 11123323118. Its totient is φ = 11123323116.

The previous prime is 11123323109. The next prime is 11123323147. The reversal of 11123323117 is 71132332111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9179747721 + 1943575396 = 95811^2 + 44086^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123323117 - 2³ = 11123323109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123323091 and 11123323100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123323147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561661558 + 5561661559.

It is an arithmetic number, because the mean of its divisors is an integer number (5561661559).

Almost surely, 2^11123323117 is an apocalyptic number.

It is an amenable number.

11123323117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123323117 is an equidigital number, since it uses as much as digits as its factorization.

11123323117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

Adding to 11123323117 its reverse (71132332111), we get a palindrome (82255655228).

The spelling of 11123323117 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred seventeen".