448319923 has 4 divisors (see below), whose sum is σ = 462781888. Its totient is φ = 433857960.

The previous prime is 448319909. The next prime is 448319939. The reversal of 448319923 is 329913844.

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 448319923 - 2⁵ = 448319891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448319923.

It is not an unprimeable number, because it can be changed into a prime (448319983) 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, 7230936 + ... + 7230997.

It is an arithmetic number, because the mean of its divisors is an integer number (115695472).

Almost surely, 2^448319923 is an apocalyptic number.

448319923 is a deficient number, since it is larger than the sum of its proper divisors (14461965).

448319923 is a wasteful number, since it uses less digits than its factorization.

448319923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461964.

The product of its digits is 186624, while the sum is 43.

The square root of 448319923 is about 21173.5666102808. The cubic root of 448319923 is about 765.3545698541.

The spelling of 448319923 in words is "four hundred forty-eight million, three hundred nineteen thousand, nine hundred twenty-three".