128023598843 has 12 divisors (see below), whose sum is σ = 149504901912. Its totient is φ = 109307520000.

The previous prime is 128023598819. The next prime is 128023598849. The reversal of 128023598843 is 348895320821.

It is not a de Polignac number, because 128023598843 - 2¹⁸ = 128023336699 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5070533 + ... + 5095718.

It is an arithmetic number, because the mean of its divisors is an integer number (12458741826).

Almost surely, 2^128023598843 is an apocalyptic number.

128023598843 is a deficient number, since it is larger than the sum of its proper divisors (21481303069).

128023598843 is a wasteful number, since it uses less digits than its factorization.

128023598843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166522 (or 10166515 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 128023598843 in words is "one hundred twenty-eight billion, twenty-three million, five hundred ninety-eight thousand, eight hundred forty-three".