11723808 has 48 divisors (see below), whose sum is σ = 31116960. Its totient is φ = 3864576.

The previous prime is 11723753. The next prime is 11723843. The reversal of 11723808 is 80832711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (648270).

Almost surely, 2^11723808 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 11723808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15558480).

11723808 is an abundant number, since it is smaller than the sum of its proper divisors (19393152).

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

11723808 is a wasteful number, since it uses less digits than its factorization.

11723808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 11723808 is about 3424.0046728940. The cubic root of 11723808 is about 227.1727485003.

The spelling of 11723808 in words is "eleven million, seven hundred twenty-three thousand, eight hundred eight".