11923824 has 60 divisors (see below), whose sum is σ = 33874568. Its totient is φ = 3611520.

The previous prime is 11923823. The next prime is 11923829. The reversal of 11923824 is 42832911.

It is a junction number, because it is equal to n+sod(n) for n = 11923791 and 11923800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923823) 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 11 ways as a sum of consecutive naturals, for example, 4782 + ... + 6834.

Almost surely, 2^11923824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11923824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16937284).

11923824 is an abundant number, since it is smaller than the sum of its proper divisors (21950744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11923824 is a wasteful number, since it uses less digits than its factorization.

11923824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2069 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 11923824 is about 3453.0890518491. The cubic root of 11923824 is about 228.4573767312.

The spelling of 11923824 in words is "eleven million, nine hundred twenty-three thousand, eight hundred twenty-four".