23071216 has 20 divisors (see below), whose sum is σ = 51086512. Its totient is φ = 9887616.

The previous prime is 23071199. The next prime is 23071229. The reversal of 23071216 is 61217032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102885 + ... + 103108.

Almost surely, 2^23071216 is an apocalyptic number.

It is an amenable number.

23071216 is an abundant number, since it is smaller than the sum of its proper divisors (28015296).

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

23071216 is a wasteful number, since it uses less digits than its factorization.

23071216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206008 (or 206002 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 23071216 is about 4803.2505660230. The cubic root of 23071216 is about 284.6799156032.

Adding to 23071216 its reverse (61217032), we get a palindrome (84288248).

The spelling of 23071216 in words is "twenty-three million, seventy-one thousand, two hundred sixteen".