23816528648 has 32 divisors (see below), whose sum is σ = 49007367360. Its totient is φ = 10760863680.

The previous prime is 23816528647. The next prime is 23816528657. The reversal of 23816528648 is 84682561832.

It is a self number, because there is not a number n which added to its sum of digits gives 23816528648.

It is not an unprimeable number, because it can be changed into a prime (23816528647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795611 + ... + 825002.

It is an arithmetic number, because the mean of its divisors is an integer number (1531480230).

Almost surely, 2^23816528648 is an apocalyptic number.

It is an amenable number.

23816528648 is an abundant number, since it is smaller than the sum of its proper divisors (25190838712).

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

23816528648 is a wasteful number, since it uses less digits than its factorization.

23816528648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620797 (or 1620793 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 23816528648 in words is "twenty-three billion, eight hundred sixteen million, five hundred twenty-eight thousand, six hundred forty-eight".