128523927283 has 4 divisors (see below), whose sum is σ = 128569232880. Its totient is φ = 128478621688.

The previous prime is 128523927281. The next prime is 128523927307. The reversal of 128523927283 is 382729325821.

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

It is a cyclic number.

It is not a de Polignac number, because 128523927283 - 2¹ = 128523927281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128523927283.

It is not an unprimeable number, because it can be changed into a prime (128523927281) 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, 22648543 + ... + 22654216.

It is an arithmetic number, because the mean of its divisors is an integer number (32142308220).

Almost surely, 2^128523927283 is an apocalyptic number.

128523927283 is a deficient number, since it is larger than the sum of its proper divisors (45305597).

128523927283 is an equidigital number, since it uses as much as digits as its factorization.

128523927283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45305596.

The product of its digits is 2903040, while the sum is 52.

The spelling of 128523927283 in words is "one hundred twenty-eight billion, five hundred twenty-three million, nine hundred twenty-seven thousand, two hundred eighty-three".