23286816 has 72 divisors (see below), whose sum is σ = 75688704. Its totient is φ = 6652800.

The previous prime is 23286803. The next prime is 23286817. The reversal of 23286816 is 61868232.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 not an unprimeable number, because it can be changed into a prime (23286817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3760 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (1051232).

Almost surely, 2^23286816 is an apocalyptic number.

It is an amenable number.

23286816 is an abundant number, since it is smaller than the sum of its proper divisors (52401888).

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

23286816 is a wasteful number, since it uses less digits than its factorization.

23286816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574 (or 11563 counting only the distinct ones).

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

The square root of 23286816 is about 4825.6415117578. The cubic root of 23286816 is about 285.5639433802.

The spelling of 23286816 in words is "twenty-three million, two hundred eighty-six thousand, eight hundred sixteen".