11423965564 has 48 divisors (see below), whose sum is σ = 22336820352. Its totient is φ = 5068440000.

The previous prime is 11423965549. The next prime is 11423965571. The reversal of 11423965564 is 46556932411.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 335359 + ... + 367849.

It is an arithmetic number, because the mean of its divisors is an integer number (465350424).

Almost surely, 2^11423965564 is an apocalyptic number.

It is an amenable number.

11423965564 is a deficient number, since it is larger than the sum of its proper divisors (10912854788).

11423965564 is a wasteful number, since it uses less digits than its factorization.

11423965564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32698 (or 32696 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 11423965564 in words is "eleven billion, four hundred twenty-three million, nine hundred sixty-five thousand, five hundred sixty-four".