23681528 has 16 divisors (see below), whose sum is σ = 47818680. Its totient is φ = 10929888.

The previous prime is 23681507. The next prime is 23681531. The reversal of 23681528 is 82518632.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 113750 + ... + 113957.

Almost surely, 2^23681528 is an apocalyptic number.

It is an amenable number.

23681528 is an abundant number, since it is smaller than the sum of its proper divisors (24137152).

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

23681528 is a wasteful number, since it uses less digits than its factorization.

23681528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227726 (or 227722 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 23681528 is about 4866.3670227388. The cubic root of 23681528 is about 287.1683505237.

The spelling of 23681528 in words is "twenty-three million, six hundred eighty-one thousand, five hundred twenty-eight".