23985654336 has 224 divisors, whose sum is σ = 82766286080. Its totient is φ = 6667702272.

The previous prime is 23985654323. The next prime is 23985654349. The reversal of 23985654336 is 63345658932.

23985654336 is a `hidden beast` number, since 2 + 3 + 9 + 8 + 565 + 43 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (23985654323) and next prime (23985654349).

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×23985654336² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420756 + ... + 474348.

Almost surely, 2^23985654336 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 23985654336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41383143040).

23985654336 is an abundant number, since it is smaller than the sum of its proper divisors (58780631744).

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

23985654336 is a wasteful number, since it uses less digits than its factorization.

23985654336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53658 (or 53642 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 23985654336 in words is "twenty-three billion, nine hundred eighty-five million, six hundred fifty-four thousand, three hundred thirty-six".