441396623 has 2 divisors, whose sum is σ = 441396624. Its totient is φ = 441396622.

The previous prime is 441396583. The next prime is 441396673. The reversal of 441396623 is 326693144.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441396623 - 2⁸ = 441396367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441396673) 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, 220698311 + 220698312.

It is an arithmetic number, because the mean of its divisors is an integer number (220698312).

Almost surely, 2^441396623 is an apocalyptic number.

441396623 is a deficient number, since it is larger than the sum of its proper divisors (1).

441396623 is an equidigital number, since it uses as much as digits as its factorization.

441396623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 441396623 is about 21009.4412824330. The cubic root of 441396623 is about 761.3943832378.

The spelling of 441396623 in words is "four hundred forty-one million, three hundred ninety-six thousand, six hundred twenty-three".