448547923 has 4 divisors (see below), whose sum is σ = 448993480. Its totient is φ = 448102368.

The previous prime is 448547899. The next prime is 448547951. The reversal of 448547923 is 329745844.

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 448547923 - 2¹⁷ = 448416851 is a prime.

It is a super-2 number, since 2×448547923² = 402390478455227858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448547993) 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, 221265 + ... + 223282.

It is an arithmetic number, because the mean of its divisors is an integer number (112248370).

Almost surely, 2^448547923 is an apocalyptic number.

448547923 is a deficient number, since it is larger than the sum of its proper divisors (445557).

448547923 is a wasteful number, since it uses less digits than its factorization.

448547923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445556.

The product of its digits is 967680, while the sum is 46.

The square root of 448547923 is about 21178.9499975801. The cubic root of 448547923 is about 765.4842921496.

The spelling of 448547923 in words is "four hundred forty-eight million, five hundred forty-seven thousand, nine hundred twenty-three".