23328216 has 64 divisors (see below), whose sum is σ = 68623200. Its totient is φ = 7317504.

The previous prime is 23328211. The next prime is 23328251. The reversal of 23328216 is 61282332.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 23328216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 6848.

Almost surely, 2^23328216 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 23328216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34311600).

23328216 is an abundant number, since it is smaller than the sum of its proper divisors (45294984).

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

23328216 is a wasteful number, since it uses less digits than its factorization.

23328216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385 (or 6375 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 23328216 is about 4829.9291920276. The cubic root of 23328216 is about 285.7330712410.

The spelling of 23328216 in words is "twenty-three million, three hundred twenty-eight thousand, two hundred sixteen".