636064067223 has 24 divisors (see below), whose sum is σ = 993791770608. Its totient is φ = 389699690112.

The previous prime is 636064067207. The next prime is 636064067237. The reversal of 636064067223 is 322760460636.

636064067223 is a `hidden beast` number, since 6 + 360 + 6 + 4 + 0 + 67 + 223 = 666.

It is not a de Polignac number, because 636064067223 - 2⁴ = 636064067207 is a prime.

It is a super-2 number, since 2×636064067223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636064067323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11947990 + ... + 12001107.

It is an arithmetic number, because the mean of its divisors is an integer number (41407990442).

Almost surely, 2^636064067223 is an apocalyptic number.

636064067223 is a deficient number, since it is larger than the sum of its proper divisors (357727703385).

636064067223 is a wasteful number, since it uses less digits than its factorization.

636064067223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23949343 (or 23949340 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 45.

The spelling of 636064067223 in words is "six hundred thirty-six billion, sixty-four million, sixty-seven thousand, two hundred twenty-three".