11823071 has 6 divisors (see below), whose sum is σ = 12802680. Its totient is φ = 10913448.

The previous prime is 11823043. The next prime is 11823079. The reversal of 11823071 is 17032811.

It is a happy number.

11823071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11823071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34811 + ... + 35148.

It is an arithmetic number, because the mean of its divisors is an integer number (2133780).

Almost surely, 2^11823071 is an apocalyptic number.

11823071 is a deficient number, since it is larger than the sum of its proper divisors (979609).

11823071 is an equidigital number, since it uses as much as digits as its factorization.

11823071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69985 (or 69972 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11823071 is about 3438.4692815263. The cubic root of 11823071 is about 227.8120886820.

Adding to 11823071 its reverse (17032811), we get a palindrome (28855882).

The spelling of 11823071 in words is "eleven million, eight hundred twenty-three thousand, seventy-one".