23268816 has 80 divisors (see below), whose sum is σ = 67961920. Its totient is φ = 7620480.

The previous prime is 23268811. The next prime is 23268841. The reversal of 23268816 is 61886232.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23268811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25911 + ... + 26793.

It is an arithmetic number, because the mean of its divisors is an integer number (849524).

Almost surely, 2^23268816 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 23268816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33980960).

23268816 is an abundant number, since it is smaller than the sum of its proper divisors (44693104).

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

23268816 is a wasteful number, since it uses less digits than its factorization.

23268816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 949 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 23268816 is about 4823.7761142076. The cubic root of 23268816 is about 285.4903470021.

The spelling of 23268816 in words is "twenty-three million, two hundred sixty-eight thousand, eight hundred sixteen".