11723864 has 32 divisors (see below), whose sum is σ = 22738320. Its totient is φ = 5663616.

The previous prime is 11723843. The next prime is 11723867. The reversal of 11723864 is 46832711.

It is a self number, because there is not a number n which added to its sum of digits gives 11723864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59414 + ... + 59610.

Almost surely, 2^11723864 is an apocalyptic number.

It is an amenable number.

11723864 is a deficient number, since it is larger than the sum of its proper divisors (11014456).

11723864 is a wasteful number, since it uses less digits than its factorization.

11723864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 415 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 11723864 is about 3424.0128504432. The cubic root of 11723864 is about 227.1731102045.

The spelling of 11723864 in words is "eleven million, seven hundred twenty-three thousand, eight hundred sixty-four".