128864484023 has 8 divisors (see below), whose sum is σ = 142962140160. Its totient is φ = 115163945080.

The previous prime is 128864484017. The next prime is 128864484037. The reversal of 128864484023 is 320484468821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128864484023 - 2¹⁸ = 128864221879 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 (128864484053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99278615 + ... + 99279912.

It is an arithmetic number, because the mean of its divisors is an integer number (17870267520).

Almost surely, 2^128864484023 is an apocalyptic number.

128864484023 is a deficient number, since it is larger than the sum of its proper divisors (14097656137).

128864484023 is a wasteful number, since it uses less digits than its factorization.

128864484023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198558597.

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 128864484023 in words is "one hundred twenty-eight billion, eight hundred sixty-four million, four hundred eighty-four thousand, twenty-three".