23428865016 has 48 divisors (see below), whose sum is σ = 65168134200. Its totient is φ = 7598549952.

The previous prime is 23428864999. The next prime is 23428865041. The reversal of 23428865016 is 61056882432.

23428865016 is a `hidden beast` number, since 23 + 42 + 8 + 86 + 501 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4394646 + ... + 4399973.

Almost surely, 2^23428865016 is an apocalyptic number.

It is an amenable number.

23428865016 is an abundant number, since it is smaller than the sum of its proper divisors (41739269184).

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

23428865016 is a wasteful number, since it uses less digits than its factorization.

23428865016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794668 (or 8794661 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 23428865016 in words is "twenty-three billion, four hundred twenty-eight million, eight hundred sixty-five thousand, sixteen".