441323421 has 96 divisors (see below), whose sum is σ = 785998080. Its totient is φ = 215255040.

The previous prime is 441323401. The next prime is 441323423. The reversal of 441323421 is 124323144.

It is not a de Polignac number, because 441323421 - 2¹¹ = 441321373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 441323391 and 441323400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441323423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3905461 + ... + 3905573.

It is an arithmetic number, because the mean of its divisors is an integer number (8187480).

Almost surely, 2^441323421 is an apocalyptic number.

It is an amenable number.

441323421 is a deficient number, since it is larger than the sum of its proper divisors (344674659).

441323421 is a wasteful number, since it uses less digits than its factorization.

441323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 216 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 441323421 is about 21007.6990886675. The cubic root of 441323421 is about 761.3522905784.

Adding to 441323421 its reverse (124323144), we get a palindrome (565646565).

The spelling of 441323421 in words is "four hundred forty-one million, three hundred twenty-three thousand, four hundred twenty-one".