128023672127 has 8 divisors (see below), whose sum is σ = 137881950864. Its totient is φ = 118166865408.

The previous prime is 128023672111. The next prime is 128023672141. The reversal of 128023672127 is 721276320821.

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 128023672127 - 2⁴ = 128023672111 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 (128023674127) 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, 183953 + ... + 538410.

It is an arithmetic number, because the mean of its divisors is an integer number (17235243858).

Almost surely, 2^128023672127 is an apocalyptic number.

128023672127 is a deficient number, since it is larger than the sum of its proper divisors (9858278737).

128023672127 is a wasteful number, since it uses less digits than its factorization.

128023672127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736009.

The product of its (nonzero) digits is 112896, while the sum is 41.

Adding to 128023672127 its reverse (721276320821), we get a palindrome (849299992948).

The spelling of 128023672127 in words is "one hundred twenty-eight billion, twenty-three million, six hundred seventy-two thousand, one hundred twenty-seven".