11923678658583 has 6 divisors (see below), whose sum is σ = 17223091395744. Its totient is φ = 7949119105716.

The previous prime is 11923678658569. The next prime is 11923678658587. The reversal of 11923678658583 is 38585687632911.

11923678658583 is a `hidden beast` number, since 1 + 1 + 9 + 2 + 36 + 7 + 8 + 6 + 5 + 8 + 583 = 666.

It is not a de Polignac number, because 11923678658583 - 2³⁷ = 11786239705111 is a prime.

It is a super-2 number, since 2×11923678658583² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923678658587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662426592135 + ... + 662426592152.

It is an arithmetic number, because the mean of its divisors is an integer number (2870515232624).

Almost surely, 2^{11923678658583} is an apocalyptic number.

11923678658583 is a deficient number, since it is larger than the sum of its proper divisors (5299412737161).

11923678658583 is a wasteful number, since it uses less digits than its factorization.

11923678658583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324853184293 (or 1324853184290 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 11923678658583 in words is "eleven trillion, nine hundred twenty-three billion, six hundred seventy-eight million, six hundred fifty-eight thousand, five hundred eighty-three".