11923208 has 32 divisors (see below), whose sum is σ = 24572160. Its totient is φ = 5378880.

The previous prime is 11923207. The next prime is 11923211. The reversal of 11923208 is 80232911.

It is a Cunningham number, because it is equal to 3453²-1.

It is a super-2 number, since 2×11923208² = 284325778022528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11923201) 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 7 ways as a sum of consecutive naturals, for example, 13385 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (767880).

Almost surely, 2^11923208 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 11923208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12286080).

11923208 is an abundant number, since it is smaller than the sum of its proper divisors (12648952).

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

11923208 is a wasteful number, since it uses less digits than its factorization.

11923208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11923208 is about 3452.9998551984. Note that the first 3 decimals coincide. The cubic root of 11923208 is about 228.4534425300.

The spelling of 11923208 in words is "eleven million, nine hundred twenty-three thousand, two hundred eight".