441420523 has 2 divisors, whose sum is σ = 441420524. Its totient is φ = 441420522.

The previous prime is 441420481. The next prime is 441420541. The reversal of 441420523 is 325024144.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441420523 is a prime.

It is not a weakly prime, because it can be changed into another prime (441420593) 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, 220710261 + 220710262.

It is an arithmetic number, because the mean of its divisors is an integer number (220710262).

Almost surely, 2^441420523 is an apocalyptic number.

441420523 is a deficient number, since it is larger than the sum of its proper divisors (1).

441420523 is an equidigital number, since it uses as much as digits as its factorization.

441420523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 441420523 is about 21010.0100666325. The cubic root of 441420523 is about 761.4081252228.

Adding to 441420523 its reverse (325024144), we get a palindrome (766444667).

The spelling of 441420523 in words is "four hundred forty-one million, four hundred twenty thousand, five hundred twenty-three".