11923560 has 96 divisors (see below), whose sum is σ = 42288480. Its totient is φ = 2889600.

The previous prime is 11923543. The next prime is 11923603. The reversal of 11923560 is 6532911.

11923560 is a `hidden beast` number, since 11 + 92 + 3 + 560 = 666.

11923560 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2455 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (440505).

Almost surely, 2^11923560 is an apocalyptic number.

11923560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11923560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21144240).

11923560 is an abundant number, since it is smaller than the sum of its proper divisors (30364920).

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

11923560 is a wasteful number, since it uses less digits than its factorization.

11923560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 11923560 is about 3453.0508249952. The cubic root of 11923560 is about 228.4556906616.

The spelling of 11923560 in words is "eleven million, nine hundred twenty-three thousand, five hundred sixty".