449347523 has 4 divisors (see below), whose sum is σ = 451830288. Its totient is φ = 446864760.

The previous prime is 449347513. The next prime is 449347531. The reversal of 449347523 is 325743944.

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 449347523 - 2⁸ = 449347267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449347513) 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, 1241111 + ... + 1241472.

It is an arithmetic number, because the mean of its divisors is an integer number (112957572).

Almost surely, 2^449347523 is an apocalyptic number.

449347523 is a deficient number, since it is larger than the sum of its proper divisors (2482765).

449347523 is a wasteful number, since it uses less digits than its factorization.

449347523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482764.

The product of its digits is 362880, while the sum is 41.

The square root of 449347523 is about 21197.8188264736. The cubic root of 449347523 is about 765.9388834068.

The spelling of 449347523 in words is "four hundred forty-nine million, three hundred forty-seven thousand, five hundred twenty-three".