11923549064 has 48 divisors (see below), whose sum is σ = 26019103500. Its totient is φ = 5107659648.

The previous prime is 11923549039. The next prime is 11923549067. The reversal of 11923549064 is 46094532911.

11923549064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9727876900 + 2195672164 = 98630^2 + 46858^2 .

It is not an unprimeable number, because it can be changed into a prime (11923549067) 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 11 ways as a sum of consecutive naturals, for example, 993242 + ... + 1005174.

Almost surely, 2^11923549064 is an apocalyptic number.

11923549064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11923549064 is an abundant number, since it is smaller than the sum of its proper divisors (14095554436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11923549064 is a wasteful number, since it uses less digits than its factorization.

11923549064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502 (or 14491 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 11923549064 in words is "eleven billion, nine hundred twenty-three million, five hundred forty-nine thousand, sixty-four".