23700216 has 16 divisors (see below), whose sum is σ = 59250600. Its totient is φ = 7900064.

The previous prime is 23700211. The next prime is 23700223. The reversal of 23700216 is 61200732.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23700192 and 23700201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23700211) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 493731 + ... + 493778.

Almost surely, 2^23700216 is an apocalyptic number.

It is an amenable number.

23700216 is an abundant number, since it is smaller than the sum of its proper divisors (35550384).

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

23700216 is a wasteful number, since it uses less digits than its factorization.

23700216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987518 (or 987514 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23700216 is about 4868.2867623015. The cubic root of 23700216 is about 287.2438691739.

Adding to 23700216 its reverse (61200732), we get a palindrome (84900948).

The spelling of 23700216 in words is "twenty-three million, seven hundred thousand, two hundred sixteen".