11923888 has 10 divisors (see below), whose sum is σ = 23102564. Its totient is φ = 5961936.

The previous prime is 11923861. The next prime is 11923889. The reversal of 11923888 is 88832911.

It is a self number, because there is not a number n which added to its sum of digits gives 11923888.

It is not an unprimeable number, because it can be changed into a prime (11923889) 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 as a sum of consecutive naturals, namely, 372606 + ... + 372637.

Almost surely, 2^11923888 is an apocalyptic number.

It is an amenable number.

11923888 is a deficient number, since it is larger than the sum of its proper divisors (11178676).

11923888 is an equidigital number, since it uses as much as digits as its factorization.

11923888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745251 (or 745245 counting only the distinct ones).

The product of its digits is 27648, while the sum is 40.

The square root of 11923888 is about 3453.0983189014. The cubic root of 11923888 is about 228.4577854716.

The spelling of 11923888 in words is "eleven million, nine hundred twenty-three thousand, eight hundred eighty-eight".