23820716 has 24 divisors (see below), whose sum is σ = 43409520. Its totient is φ = 11423552.

The previous prime is 23820701. The next prime is 23820733. The reversal of 23820716 is 61702832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19475 + ... + 20661.

It is an arithmetic number, because the mean of its divisors is an integer number (1808730).

Almost surely, 2^23820716 is an apocalyptic number.

It is an amenable number.

23820716 is a deficient number, since it is larger than the sum of its proper divisors (19588804).

23820716 is a wasteful number, since it uses less digits than its factorization.

23820716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 23820716 is about 4880.6470882456. The cubic root of 23820716 is about 287.7298617928.

The spelling of 23820716 in words is "twenty-three million, eight hundred twenty thousand, seven hundred sixteen".