448490123 has 2 divisors, whose sum is σ = 448490124. Its totient is φ = 448490122.

The previous prime is 448490111. The next prime is 448490153. The reversal of 448490123 is 321094844.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448490123 is a prime.

It is a super-2 number, since 2×448490123² = 402286780857110258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448490153) 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 as a sum of consecutive naturals, namely, 224245061 + 224245062.

It is an arithmetic number, because the mean of its divisors is an integer number (224245062).

Almost surely, 2^448490123 is an apocalyptic number.

448490123 is a deficient number, since it is larger than the sum of its proper divisors (1).

448490123 is an equidigital number, since it uses as much as digits as its factorization.

448490123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 448490123 is about 21177.5853911630. The cubic root of 448490123 is about 765.4514105700.

The spelling of 448490123 in words is "four hundred forty-eight million, four hundred ninety thousand, one hundred twenty-three".