448778011723 has 4 divisors (see below), whose sum is σ = 449542540440. Its totient is φ = 448013483008.

The previous prime is 448778011699. The next prime is 448778011733. The reversal of 448778011723 is 327110877844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448778011723 - 2¹⁷ = 448777880651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448778011733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382263478 + ... + 382264651.

It is an arithmetic number, because the mean of its divisors is an integer number (112385635110).

Almost surely, 2^448778011723 is an apocalyptic number.

448778011723 is a deficient number, since it is larger than the sum of its proper divisors (764528717).

448778011723 is an equidigital number, since it uses as much as digits as its factorization.

448778011723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764528716.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 448778011723 in words is "four hundred forty-eight billion, seven hundred seventy-eight million, eleven thousand, seven hundred twenty-three".