23823802856 has 96 divisors (see below), whose sum is σ = 54328095360. Its totient is φ = 9592347648.

The previous prime is 23823802843. The next prime is 23823802889. The reversal of 23823802856 is 65820832832.

It is a self number, because there is not a number n which added to its sum of digits gives 23823802856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12897725 + ... + 12899571.

It is an arithmetic number, because the mean of its divisors is an integer number (565917660).

Almost surely, 2^23823802856 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 23823802856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27164047680).

23823802856 is an abundant number, since it is smaller than the sum of its proper divisors (30504292504).

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

23823802856 is a wasteful number, since it uses less digits than its factorization.

23823802856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 23823802856 in words is "twenty-three billion, eight hundred twenty-three million, eight hundred two thousand, eight hundred fifty-six".