441221023 has 2 divisors, whose sum is σ = 441221024. Its totient is φ = 441221022.

The previous prime is 441220973. The next prime is 441221069. The reversal of 441221023 is 320122144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441221023 - 2⁹ = 441220511 is a prime.

It is a super-2 number, since 2×441221023² = 389351982274333058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441291023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220610511 + 220610512.

It is an arithmetic number, because the mean of its divisors is an integer number (220610512).

Almost surely, 2^441221023 is an apocalyptic number.

441221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

441221023 is an equidigital number, since it uses as much as digits as its factorization.

441221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 441221023 is about 21005.2617931793. The cubic root of 441221023 is about 761.2934018070.

Adding to 441221023 its reverse (320122144), we get a palindrome (761343167).

The spelling of 441221023 in words is "four hundred forty-one million, two hundred twenty-one thousand, twenty-three".