448497823 has 4 divisors (see below), whose sum is σ = 450509248. Its totient is φ = 446486400.

The previous prime is 448497821. The next prime is 448497871. The reversal of 448497823 is 328794844.

It is a happy number.

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 448497823 - 2¹ = 448497821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448497821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005378 + ... + 1005823.

It is an arithmetic number, because the mean of its divisors is an integer number (112627312).

Almost surely, 2^448497823 is an apocalyptic number.

448497823 is a deficient number, since it is larger than the sum of its proper divisors (2011425).

448497823 is a wasteful number, since it uses less digits than its factorization.

448497823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011424.

The product of its digits is 1548288, while the sum is 49.

The square root of 448497823 is about 21177.7671863679. The cubic root of 448497823 is about 765.4557911511.

The spelling of 448497823 in words is "four hundred forty-eight million, four hundred ninety-seven thousand, eight hundred twenty-three".