2128598423 has 8 divisors (see below), whose sum is σ = 2433134592. Its totient is φ = 1824174936.

The previous prime is 2128598387. The next prime is 2128598447. The reversal of 2128598423 is 3248958212.

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 2128598423 - 2²² = 2124404119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128598023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17186 + ... + 67472.

It is an arithmetic number, because the mean of its divisors is an integer number (304141824).

Almost surely, 2^2128598423 is an apocalyptic number.

2128598423 is a deficient number, since it is larger than the sum of its proper divisors (304536169).

2128598423 is an equidigital number, since it uses as much as digits as its factorization.

2128598423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56341.

The product of its digits is 276480, while the sum is 44.

The square root of 2128598423 is about 46136.7361546089. The cubic root of 2128598423 is about 1286.3660769791.

The spelling of 2128598423 in words is "two billion, one hundred twenty-eight million, five hundred ninety-eight thousand, four hundred twenty-three".