128495037823 has 8 divisors (see below), whose sum is σ = 130684329360. Its totient is φ = 126306126720.

The previous prime is 128495037821. The next prime is 128495037883. The reversal of 128495037823 is 328730594821.

It is a happy number.

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 128495037823 - 2¹ = 128495037821 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 (128495037821) 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, 633261 + ... + 811177.

It is an arithmetic number, because the mean of its divisors is an integer number (16335541170).

Almost surely, 2^128495037823 is an apocalyptic number.

128495037823 is a deficient number, since it is larger than the sum of its proper divisors (2189291537).

128495037823 is a wasteful number, since it uses less digits than its factorization.

128495037823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190217.

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

The spelling of 128495037823 in words is "one hundred twenty-eight billion, four hundred ninety-five million, thirty-seven thousand, eight hundred twenty-three".