128422207327 has 4 divisors (see below), whose sum is σ = 128425472136. Its totient is φ = 128418942520.

The previous prime is 128422207289. The next prime is 128422207337. The reversal of 128422207327 is 723702224821.

It is a happy number.

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-128422207327 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 128422207327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128422207337) 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, 1572673 + ... + 1652314.

It is an arithmetic number, because the mean of its divisors is an integer number (32106368034).

Almost surely, 2^128422207327 is an apocalyptic number.

128422207327 is a deficient number, since it is larger than the sum of its proper divisors (3264809).

128422207327 is an equidigital number, since it uses as much as digits as its factorization.

128422207327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264808.

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 128422207327 in words is "one hundred twenty-eight billion, four hundred twenty-two million, two hundred seven thousand, three hundred twenty-seven".