23824642728 has 16 divisors (see below), whose sum is σ = 59561606880. Its totient is φ = 7941547568.

The previous prime is 23824642717. The next prime is 23824642729. The reversal of 23824642728 is 82724642832.

It is a super-2 number, since 2×23824642728² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23824642729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496346700 + ... + 496346747.

It is an arithmetic number, because the mean of its divisors is an integer number (3722600430).

Almost surely, 2^23824642728 is an apocalyptic number.

It is an amenable number.

23824642728 is an abundant number, since it is smaller than the sum of its proper divisors (35736964152).

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

23824642728 is a wasteful number, since it uses less digits than its factorization.

23824642728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992693456 (or 992693452 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 48.

The spelling of 23824642728 in words is "twenty-three billion, eight hundred twenty-four million, six hundred forty-two thousand, seven hundred twenty-eight".