128567841343 has 4 divisors (see below), whose sum is σ = 130012423920. Its totient is φ = 127123258768.

The previous prime is 128567841323. The next prime is 128567841359. The reversal of 128567841343 is 343148765821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128567841343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128567841313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722291155 + ... + 722291332.

It is an arithmetic number, because the mean of its divisors is an integer number (32503105980).

Almost surely, 2^128567841343 is an apocalyptic number.

128567841343 is a deficient number, since it is larger than the sum of its proper divisors (1444582577).

128567841343 is an equidigital number, since it uses as much as digits as its factorization.

128567841343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444582576.

The product of its digits is 3870720, while the sum is 52.

The spelling of 128567841343 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, eight hundred forty-one thousand, three hundred forty-three".