64323223105444 has 24 divisors (see below), whose sum is σ = 113924668159008. Its totient is φ = 31775543096640.

The previous prime is 64323223105441. The next prime is 64323223105457. The reversal of 64323223105444 is 44450132232346.

64323223105444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64323223105444.

It is not an unprimeable number, because it can be changed into a prime (64323223105441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278031634 + ... + 278262889.

It is an arithmetic number, because the mean of its divisors is an integer number (4746861173292).

Almost surely, 2^{64323223105444} is an apocalyptic number.

It is an amenable number.

64323223105444 is a deficient number, since it is larger than the sum of its proper divisors (49601445053564).

64323223105444 is a wasteful number, since it uses less digits than its factorization.

64323223105444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556294875 (or 556294873 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 43.

The spelling of 64323223105444 in words is "sixty-four trillion, three hundred twenty-three billion, two hundred twenty-three million, one hundred five thousand, four hundred forty-four".