441663423 has 4 divisors (see below), whose sum is σ = 588884568. Its totient is φ = 294442280.

The previous prime is 441663421. The next prime is 441663427. The reversal of 441663423 is 324366144.

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 441663423 - 2¹ = 441663421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441663421) 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, 73610568 + ... + 73610573.

It is an arithmetic number, because the mean of its divisors is an integer number (147221142).

Almost surely, 2^441663423 is an apocalyptic number.

441663423 is a deficient number, since it is larger than the sum of its proper divisors (147221145).

441663423 is a wasteful number, since it uses less digits than its factorization.

441663423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147221144.

The product of its digits is 41472, while the sum is 33.

The square root of 441663423 is about 21015.7898495393. The cubic root of 441663423 is about 761.5477593592.

The spelling of 441663423 in words is "four hundred forty-one million, six hundred sixty-three thousand, four hundred twenty-three".