128130112623 has 16 divisors (see below), whose sum is σ = 178532614656. Its totient is φ = 81658375680.

The previous prime is 128130112567. The next prime is 128130112637. The reversal of 128130112623 is 326211031821.

It is not a de Polignac number, because 128130112623 - 2⁶ = 128130112559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128130112673) 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, 10560498 + ... + 10572623.

It is an arithmetic number, because the mean of its divisors is an integer number (11158288416).

Almost surely, 2^128130112623 is an apocalyptic number.

128130112623 is a deficient number, since it is larger than the sum of its proper divisors (50402502033).

128130112623 is a wasteful number, since it uses less digits than its factorization.

128130112623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133214.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 128130112623 in words is "one hundred twenty-eight billion, one hundred thirty million, one hundred twelve thousand, six hundred twenty-three".