30423708585 has 12 divisors (see below), whose sum is σ = 52734428292. Its totient is φ = 16225977888.

The previous prime is 30423708547. The next prime is 30423708587. The reversal of 30423708585 is 58580732403.

30423708585 is a `hidden beast` number, since 3 + 0 + 423 + 70 + 85 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20698001424 + 9725707161 = 143868^2 + 98619^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30423708585 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 676082413 = 30423708585 / (3 + 0 + 4 + 2 + 3 + 7 + 0 + 8 + 5 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 30423708585.

It is not an unprimeable number, because it can be changed into a prime (30423708587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338041162 + ... + 338041251.

It is an arithmetic number, because the mean of its divisors is an integer number (4394535691).

Almost surely, 2^30423708585 is an apocalyptic number.

It is an amenable number.

30423708585 is a deficient number, since it is larger than the sum of its proper divisors (22310719707).

30423708585 is a wasteful number, since it uses less digits than its factorization.

30423708585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676082424 (or 676082421 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 30423708585 in words is "thirty billion, four hundred twenty-three million, seven hundred eight thousand, five hundred eighty-five".