19585946223 has 12 divisors (see below), whose sum is σ = 28513575168. Its totient is φ = 12954483360.

The previous prime is 19585946213. The next prime is 19585946231. The reversal of 19585946223 is 32264958591.

19585946223 is a `hidden beast` number, since 1 + 9 + 5 + 8 + 5 + 9 + 4 + 622 + 3 = 666.

It is not a de Polignac number, because 19585946223 - 2²⁴ = 19569169007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19585946223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19585946213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8566638 + ... + 8568923.

It is an arithmetic number, because the mean of its divisors is an integer number (2376131264).

Almost surely, 2^19585946223 is an apocalyptic number.

19585946223 is a deficient number, since it is larger than the sum of its proper divisors (8927628945).

19585946223 is a wasteful number, since it uses less digits than its factorization.

19585946223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135694 (or 17135691 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 19585946223 in words is "nineteen billion, five hundred eighty-five million, nine hundred forty-six thousand, two hundred twenty-three".