448161923 has 12 divisors (see below), whose sum is σ = 511091448. Its totient is φ = 389700960.

The previous prime is 448161887. The next prime is 448161929. The reversal of 448161923 is 329161844.

It is not a de Polignac number, because 448161923 - 2⁶ = 448161859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448161929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32690 + ... + 44327.

It is an arithmetic number, because the mean of its divisors is an integer number (42590954).

Almost surely, 2^448161923 is an apocalyptic number.

448161923 is a deficient number, since it is larger than the sum of its proper divisors (62929525).

448161923 is a wasteful number, since it uses less digits than its factorization.

448161923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77074 (or 77051 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 448161923 is about 21169.8352142854. The cubic root of 448161923 is about 765.2646487773.

The spelling of 448161923 in words is "four hundred forty-eight million, one hundred sixty-one thousand, nine hundred twenty-three".