44564464123 has 2 divisors, whose sum is σ = 44564464124. Its totient is φ = 44564464122.

The previous prime is 44564464121. The next prime is 44564464171. The reversal of 44564464123 is 32146446544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44564464123 - 2¹ = 44564464121 is a prime.

Together with 44564464121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44564464123.

It is not a weakly prime, because it can be changed into another prime (44564464121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22282232061 + 22282232062.

It is an arithmetic number, because the mean of its divisors is an integer number (22282232062).

Almost surely, 2^44564464123 is an apocalyptic number.

44564464123 is a deficient number, since it is larger than the sum of its proper divisors (1).

44564464123 is an equidigital number, since it uses as much as digits as its factorization.

44564464123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 43.

The spelling of 44564464123 in words is "forty-four billion, five hundred sixty-four million, four hundred sixty-four thousand, one hundred twenty-three".