23343647394816 has 264 divisors, whose sum is σ = 77164815087360. Its totient is φ = 6658240536576.

The previous prime is 23343647394779. The next prime is 23343647394829. The reversal of 23343647394816 is 61849374634332.

23343647394816 is a `hidden beast` number, since 2 + 3 + 34 + 36 + 473 + 94 + 8 + 16 = 666.

It is a super-3 number, since 3×23343647394816³ (a number of 41 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37560325 + ... + 38176763.

It is an arithmetic number, because the mean of its divisors is an integer number (292290966240).

Almost surely, 2^{23343647394816} 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 23343647394816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38582407543680).

23343647394816 is an abundant number, since it is smaller than the sum of its proper divisors (53821167692544).

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

23343647394816 is a wasteful number, since it uses less digits than its factorization.

23343647394816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617059 (or 617038 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 63.

The spelling of 23343647394816 in words is "twenty-three trillion, three hundred forty-three billion, six hundred forty-seven million, three hundred ninety-four thousand, eight hundred sixteen".