23859404480128 has 128 divisors (see below), whose sum is σ = 57558679902720. Its totient is φ = 9617189584896.

The previous prime is 23859404480081. The next prime is 23859404480129. The reversal of 23859404480128 is 82108440495832.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23859404480129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21124750 + ... + 22225522.

It is an arithmetic number, because the mean of its divisors is an integer number (449677186740).

Almost surely, 2^{23859404480128} is an apocalyptic number.

23859404480128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23859404480128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28779339951360).

23859404480128 is an abundant number, since it is smaller than the sum of its proper divisors (33699275422592).

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

23859404480128 is a wasteful number, since it uses less digits than its factorization.

23859404480128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102234 (or 1102222 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 23859404480128 in words is "twenty-three trillion, eight hundred fifty-nine billion, four hundred four million, four hundred eighty thousand, one hundred twenty-eight".