11996671123 has 2 divisors, whose sum is σ = 11996671124. Its totient is φ = 11996671122.

The previous prime is 11996671081. The next prime is 11996671187. The reversal of 11996671123 is 32117669911.

11996671123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11996671123 - 2⁹ = 11996670611 is a prime.

It is a super-2 number, since 2×11996671123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11996675123) 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, 5998335561 + 5998335562.

It is an arithmetic number, because the mean of its divisors is an integer number (5998335562).

Almost surely, 2^11996671123 is an apocalyptic number.

11996671123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11996671123 is an equidigital number, since it uses as much as digits as its factorization.

11996671123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 46.

The spelling of 11996671123 in words is "eleven billion, nine hundred ninety-six million, six hundred seventy-one thousand, one hundred twenty-three".