11707123 has 4 divisors (see below), whose sum is σ = 11718928. Its totient is φ = 11695320.

The previous prime is 11707109. The next prime is 11707159. The reversal of 11707123 is 32170711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11707123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11707094 and 11707103.

It is not an unprimeable number, because it can be changed into a prime (11707103) 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 in 3 ways as a sum of consecutive naturals, for example, 4263 + ... + 6448.

It is an arithmetic number, because the mean of its divisors is an integer number (2929732).

Almost surely, 2^11707123 is an apocalyptic number.

11707123 is a deficient number, since it is larger than the sum of its proper divisors (11805).

11707123 is a wasteful number, since it uses less digits than its factorization.

11707123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 11707123 is about 3421.5673309172. The cubic root of 11707123 is about 227.0649286733.

Adding to 11707123 its reverse (32170711), we get a palindrome (43877834).

The spelling of 11707123 in words is "eleven million, seven hundred seven thousand, one hundred twenty-three".