448820123 has 2 divisors, whose sum is σ = 448820124. Its totient is φ = 448820122.

The previous prime is 448820051. The next prime is 448820129. The reversal of 448820123 is 321028844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448820123 - 2¹⁰ = 448819099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448820123.

It is not a weakly prime, because it can be changed into another prime (448820129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224410061 + 224410062.

It is an arithmetic number, because the mean of its divisors is an integer number (224410062).

Almost surely, 2^448820123 is an apocalyptic number.

448820123 is a deficient number, since it is larger than the sum of its proper divisors (1).

448820123 is an equidigital number, since it uses as much as digits as its factorization.

448820123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 448820123 is about 21185.3752149921. The cubic root of 448820123 is about 765.6391048086.

Adding to 448820123 its reverse (321028844), we get a palindrome (769848967).

The spelling of 448820123 in words is "four hundred forty-eight million, eight hundred twenty thousand, one hundred twenty-three".