128231463595 has 8 divisors (see below), whose sum is σ = 154658862864. Its totient is φ = 102064433184.

The previous prime is 128231463571. The next prime is 128231463599. The reversal of 128231463595 is 595364132821.

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 128231463595 - 2³³ = 119641529003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128231463599) 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, 65091129 + ... + 65093098.

It is an arithmetic number, because the mean of its divisors is an integer number (19332357858).

Almost surely, 2^128231463595 is an apocalyptic number.

128231463595 is a deficient number, since it is larger than the sum of its proper divisors (26427399269).

128231463595 is a wasteful number, since it uses less digits than its factorization.

128231463595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130184429.

The product of its digits is 1555200, while the sum is 49.

The spelling of 128231463595 in words is "one hundred twenty-eight billion, two hundred thirty-one million, four hundred sixty-three thousand, five hundred ninety-five".