128567841423 has 16 divisors (see below), whose sum is σ = 196355156736. Its totient is φ = 73301492160.

The previous prime is 128567841379. The next prime is 128567841433. The reversal of 128567841423 is 324148765821.

It is not a de Polignac number, because 128567841423 - 2⁶ = 128567841359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128567841433) 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, 6900718 + ... + 6919323.

It is an arithmetic number, because the mean of its divisors is an integer number (12272197296).

Almost surely, 2^128567841423 is an apocalyptic number.

128567841423 is a deficient number, since it is larger than the sum of its proper divisors (67787315313).

128567841423 is a wasteful number, since it uses less digits than its factorization.

128567841423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820494.

The product of its digits is 2580480, while the sum is 51.

The spelling of 128567841423 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, eight hundred forty-one thousand, four hundred twenty-three".