441323563 has 4 divisors (see below), whose sum is σ = 460511568. Its totient is φ = 422135560.

The previous prime is 441323557. The next prime is 441323567. The reversal of 441323563 is 365323144.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-441323563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441323567) 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, 9593968 + ... + 9594013.

It is an arithmetic number, because the mean of its divisors is an integer number (115127892).

Almost surely, 2^441323563 is an apocalyptic number.

441323563 is a deficient number, since it is larger than the sum of its proper divisors (19188005).

441323563 is a wasteful number, since it uses less digits than its factorization.

441323563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188004.

The product of its digits is 25920, while the sum is 31.

The square root of 441323563 is about 21007.7024683805. The cubic root of 441323563 is about 761.3523722359.

The spelling of 441323563 in words is "four hundred forty-one million, three hundred twenty-three thousand, five hundred sixty-three".