23946974856 has 384 divisors, whose sum is σ = 78282547200. Its totient is φ = 6472327680.

The previous prime is 23946974851. The next prime is 23946974879. The reversal of 23946974856 is 65847964932.

23946974856 is a `hidden beast` number, since 2 + 3 + 94 + 69 + 7 + 485 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 23946974793 and 23946974802.

It is not an unprimeable number, because it can be changed into a prime (23946974851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121558150 + ... + 121558346.

It is an arithmetic number, because the mean of its divisors is an integer number (203860800).

Almost surely, 2^23946974856 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 23946974856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39141273600).

23946974856 is an abundant number, since it is smaller than the sum of its proper divisors (54335572344).

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

23946974856 is a wasteful number, since it uses less digits than its factorization.

23946974856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 402 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 23946974856 in words is "twenty-three billion, nine hundred forty-six million, nine hundred seventy-four thousand, eight hundred fifty-six".