23684128650 has 576 divisors, whose sum is σ = 83957293056. Its totient is φ = 4828896000.

The previous prime is 23684128649. The next prime is 23684128651. The reversal of 23684128650 is 5682148632.

23684128650 is a `hidden beast` number, since 2 + 368 + 4 + 1 + 286 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23684128649) and next prime (23684128651).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 23684128596 and 23684128605.

It is not an unprimeable number, because it can be changed into a prime (23684128651) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 34274805 + ... + 34275495.

Almost surely, 2^23684128650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23684128650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41978646528).

23684128650 is an abundant number, since it is smaller than the sum of its proper divisors (60273164406).

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

23684128650 is a wasteful number, since it uses less digits than its factorization.

23684128650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 752 counting only the distinct ones).

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

The spelling of 23684128650 in words is "twenty-three billion, six hundred eighty-four million, one hundred twenty-eight thousand, six hundred fifty".