23105016 has 48 divisors (see below), whose sum is σ = 68267160. Its totient is φ = 7001280.

The previous prime is 23104999. The next prime is 23105021. The reversal of 23105016 is 61050132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 23105016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13795 + ... + 15378.

Almost surely, 2^23105016 is an apocalyptic number.

It is an amenable number.

23105016 is an abundant number, since it is smaller than the sum of its proper divisors (45162144).

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

23105016 is a wasteful number, since it uses less digits than its factorization.

23105016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29196 (or 29189 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 23105016 is about 4806.7677289422. The cubic root of 23105016 is about 284.8188692102.

Adding to 23105016 its reverse (61050132), we get a palindrome (84155148).

Subtracting 23105016 from its reverse (61050132), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 23105016 in words is "twenty-three million, one hundred five thousand, sixteen".