442103843 has 2 divisors, whose sum is σ = 442103844. Its totient is φ = 442103842.

The previous prime is 442103839. The next prime is 442103881. The reversal of 442103843 is 348301244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442103843 - 2² = 442103839 is a prime.

It is not a weakly prime, because it can be changed into another prime (442103813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221051921 + 221051922.

It is an arithmetic number, because the mean of its divisors is an integer number (221051922).

Almost surely, 2^442103843 is an apocalyptic number.

442103843 is a deficient number, since it is larger than the sum of its proper divisors (1).

442103843 is an equidigital number, since it uses as much as digits as its factorization.

442103843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 442103843 is about 21026.2655504966. The cubic root of 442103843 is about 761.8008098519.

The spelling of 442103843 in words is "four hundred forty-two million, one hundred three thousand, eight hundred forty-three".