12723773455564 has 24 divisors (see below), whose sum is σ = 23576520955680. Its totient is φ = 5987628331776.

The previous prime is 12723773455511. The next prime is 12723773455579. The reversal of 12723773455564 is 46555437732721.

It is a super-3 number, since 3×12723773455564³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19690842 + ... + 20326750.

It is an arithmetic number, because the mean of its divisors is an integer number (982355039820).

Almost surely, 2^{12723773455564} is an apocalyptic number.

It is an amenable number.

12723773455564 is a deficient number, since it is larger than the sum of its proper divisors (10852747500116).

12723773455564 is a wasteful number, since it uses less digits than its factorization.

12723773455564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930177 (or 930175 counting only the distinct ones).

The product of its digits is 148176000, while the sum is 61.

The spelling of 12723773455564 in words is "twelve trillion, seven hundred twenty-three billion, seven hundred seventy-three million, four hundred fifty-five thousand, five hundred sixty-four".