128023598844 has 192 divisors, whose sum is σ = 368787686400. Its totient is φ = 38201112576.

The previous prime is 128023598819. The next prime is 128023598849. The reversal of 128023598844 is 448895320821.

128023598844 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 2 + 3 + 598 + 8 + 44 = 666.

128023598844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128023598849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7550344 + ... + 7567280.

It is an arithmetic number, because the mean of its divisors is an integer number (1920769200).

Almost surely, 2^128023598844 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 128023598844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184393843200).

128023598844 is an abundant number, since it is smaller than the sum of its proper divisors (240764087556).

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

128023598844 is a wasteful number, since it uses less digits than its factorization.

128023598844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169 (or 17161 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 128023598844 in words is "one hundred twenty-eight billion, twenty-three million, five hundred ninety-eight thousand, eight hundred forty-four".