23107716 has 18 divisors (see below), whose sum is σ = 58411262. Its totient is φ = 7702560.

The previous prime is 23107699. The next prime is 23107717. The reversal of 23107716 is 61770132.

It can be written as a sum of positive squares in only one way, i.e., 22127616 + 980100 = 4704^2 + 990^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 23107716.

It is not an unprimeable number, because it can be changed into a prime (23107717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320905 + ... + 320976.

Almost surely, 2^23107716 is an apocalyptic number.

It is an amenable number.

23107716 is an abundant number, since it is smaller than the sum of its proper divisors (35303546).

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

23107716 is a wasteful number, since it uses less digits than its factorization.

23107716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641891 (or 641886 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 23107716 is about 4807.0485747494. The cubic root of 23107716 is about 284.8299632080.

Adding to 23107716 its reverse (61770132), we get a palindrome (84877848).

The spelling of 23107716 in words is "twenty-three million, one hundred seven thousand, seven hundred sixteen".