11423117 has 2 divisors, whose sum is σ = 11423118. Its totient is φ = 11423116.

The previous prime is 11423107. The next prime is 11423131. The reversal of 11423117 is 71132411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 5476 = 3379^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 11423117 - 2⁴ = 11423101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711558 + 5711559.

It is an arithmetic number, because the mean of its divisors is an integer number (5711559).

Almost surely, 2^11423117 is an apocalyptic number.

It is an amenable number.

11423117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423117 is an equidigital number, since it uses as much as digits as its factorization.

11423117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 11423117 is about 3379.8102017717. The cubic root of 11423117 is about 225.2137359945.

Adding to 11423117 its reverse (71132411), we get a palindrome (82555528).

The spelling of 11423117 in words is "eleven million, four hundred twenty-three thousand, one hundred seventeen".