23728216 has 16 divisors (see below), whose sum is σ = 44704440. Its totient is φ = 11807040.

The previous prime is 23728189. The next prime is 23728219. The reversal of 23728216 is 61282732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5341 + ... + 8716.

Almost surely, 2^23728216 is an apocalyptic number.

It is an amenable number.

23728216 is a deficient number, since it is larger than the sum of its proper divisors (20976224).

23728216 is a wasteful number, since it uses less digits than its factorization.

23728216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14270 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 23728216 is about 4871.1616684319. The cubic root of 23728216 is about 287.3569435735.

The spelling of 23728216 in words is "twenty-three million, seven hundred twenty-eight thousand, two hundred sixteen".