23681016 has 48 divisors (see below), whose sum is σ = 65106600. Its totient is φ = 7774272.

The previous prime is 23680991. The next prime is 23681033. The reversal of 23681016 is 61018632.

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, 2370 + ... + 7278.

Almost surely, 2^23681016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23681016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32553300).

23681016 is an abundant number, since it is smaller than the sum of its proper divisors (41425584).

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

23681016 is a wasteful number, since it uses less digits than its factorization.

23681016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23681016 is about 4866.3144164758. The cubic root of 23681016 is about 287.1662809605.

Adding to 23681016 its reverse (61018632), we get a palindrome (84699648).

The spelling of 23681016 in words is "twenty-three million, six hundred eighty-one thousand, sixteen".