23152540221304 has 96 divisors (see below), whose sum is σ = 47066624946720. Its totient is φ = 10672287694848.

The previous prime is 23152540221289. The next prime is 23152540221323. The reversal of 23152540221304 is 40312204525132.

It is a self number, because there is not a number n which added to its sum of digits gives 23152540221304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5542861264 + ... + 5542865440.

It is an arithmetic number, because the mean of its divisors is an integer number (490277343195).

Almost surely, 2^{23152540221304} 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 23152540221304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23533312473360).

23152540221304 is an abundant number, since it is smaller than the sum of its proper divisors (23914084725416).

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

23152540221304 is a wasteful number, since it uses less digits than its factorization.

23152540221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 23152540221304 its reverse (40312204525132), we get a palindrome (63464744746436).

The spelling of 23152540221304 in words is "twenty-three trillion, one hundred fifty-two billion, five hundred forty million, two hundred twenty-one thousand, three hundred four".