23033216 has 16 divisors (see below), whose sum is σ = 45886740. Its totient is φ = 11516544.

The previous prime is 23033201. The next prime is 23033291. The reversal of 23033216 is 61233032.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89846 + ... + 90101.

Almost surely, 2^23033216 is an apocalyptic number.

It is an amenable number.

23033216 is a deficient number, since it is larger than the sum of its proper divisors (22853524).

23033216 is an equidigital number, since it uses as much as digits as its factorization.

23033216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179961 (or 179949 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23033216 is about 4799.2932813072. The cubic root of 23033216 is about 284.5235334184.

Adding to 23033216 its reverse (61233032), we get a palindrome (84266248).

The spelling of 23033216 in words is "twenty-three million, thirty-three thousand, two hundred sixteen".