128543563239 has 16 divisors (see below), whose sum is σ = 210943283712. Its totient is φ = 67803198048.

The previous prime is 128543563201. The next prime is 128543563273. The reversal of 128543563239 is 932365345821.

It is not a de Polignac number, because 128543563239 - 2¹⁷ = 128543432167 is a prime.

It is a super-2 number, since 2×128543563239² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128543563191 and 128543563200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128543563039) 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, 235427499 + ... + 235428044.

It is an arithmetic number, because the mean of its divisors is an integer number (13183955232).

Almost surely, 2^128543563239 is an apocalyptic number.

128543563239 is a deficient number, since it is larger than the sum of its proper divisors (82399720473).

128543563239 is a wasteful number, since it uses less digits than its factorization.

128543563239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470855566.

The product of its digits is 4665600, while the sum is 51.

The spelling of 128543563239 in words is "one hundred twenty-eight billion, five hundred forty-three million, five hundred sixty-three thousand, two hundred thirty-nine".