23776 has 12 divisors (see below), whose sum is σ = 46872.
Its totient is φ = 11872.
The previous prime is 23773. The next prime is 23789. The reversal of 23776 is 67732.
It is a self number, because there is not a number n which added to its sum of digits gives 23776.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340 + ... + 403.
It is an arithmetic number, because the mean of its divisors is an integer number (3906).
223776 is an apocalyptic number.
It is an amenable number.
23776 is a deficient number, since it is larger than the sum of its proper divisors (23096).
23776 is an equidigital number, since it uses as much as digits as its factorization.
23776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 753 (or 745 counting only the distinct ones).
The product of its digits is 1764, while the sum is 25.
The square root of 23776 is about 154.1946821392.
The cubic root of 23776 is about 28.7549707851.
Subtracting 23776 from its reverse (67732), we obtain a triangular number (43956 = T296).
It can be divided in two parts, 237 and 76, that added together give a palindrome (313).
The spelling of 23776 in words is "twenty-three thousand, seven hundred seventy-six".