844880423 has 2 divisors, whose sum is σ = 844880424. Its totient is φ = 844880422.

The previous prime is 844880359. The next prime is 844880521. The reversal of 844880423 is 324088448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844880423 - 2⁶ = 844880359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844880623) 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, 422440211 + 422440212.

It is an arithmetic number, because the mean of its divisors is an integer number (422440212).

Almost surely, 2^844880423 is an apocalyptic number.

844880423 is a deficient number, since it is larger than the sum of its proper divisors (1).

844880423 is an equidigital number, since it uses as much as digits as its factorization.

844880423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 41.

The square root of 844880423 is about 29066.8268478002. The cubic root of 844880423 is about 945.3625972456.

The spelling of 844880423 in words is "eight hundred forty-four million, eight hundred eighty thousand, four hundred twenty-three".