11923968 has 80 divisors (see below), whose sum is σ = 36336960. Its totient is φ = 3403776.

The previous prime is 11923931. The next prime is 11923969. The reversal of 11923968 is 86932911.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11923969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10198 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (454212).

Almost surely, 2^11923968 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 11923968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18168480).

11923968 is an abundant number, since it is smaller than the sum of its proper divisors (24412992).

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

11923968 is an equidigital number, since it uses as much as digits as its factorization.

11923968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1121 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 11923968 is about 3453.1099026819. The cubic root of 11923968 is about 228.4582963950.

The spelling of 11923968 in words is "eleven million, nine hundred twenty-three thousand, nine hundred sixty-eight".