11423026066 has 4 divisors (see below), whose sum is σ = 17134539102. Its totient is φ = 5711513032.

The previous prime is 11423026063. The next prime is 11423026091. The reversal of 11423026066 is 66062032411.

11423026066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66062032411 = 211 ⋅313090201.

It can be written as a sum of positive squares in only one way, i.e., 11403036225 + 19989841 = 106785^2 + 4471^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11423026063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855756515 + ... + 2855756518.

Almost surely, 2^11423026066 is an apocalyptic number.

11423026066 is a deficient number, since it is larger than the sum of its proper divisors (5711513036).

11423026066 is an equidigital number, since it uses as much as digits as its factorization.

11423026066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711513035.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 11423026066 its reverse (66062032411), we get a palindrome (77485058477).

The spelling of 11423026066 in words is "eleven billion, four hundred twenty-three million, twenty-six thousand, sixty-six".