9944423 has 2 divisors, whose sum is σ = 9944424. Its totient is φ = 9944422.

The previous prime is 9944393. The next prime is 9944449. The reversal of 9944423 is 3244499.

It is a strong prime.

It is an emirp because it is prime and its reverse (3244499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9944423 - 2²² = 5750119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9944483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4972211 + 4972212.

It is an arithmetic number, because the mean of its divisors is an integer number (4972212).

Almost surely, 2^9944423 is an apocalyptic number.

9944423 is a deficient number, since it is larger than the sum of its proper divisors (1).

9944423 is an equidigital number, since it uses as much as digits as its factorization.

9944423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 9944423 is about 3153.4779212799. The cubic root of 9944423 is about 215.0436039198.

The spelling of 9944423 in words is "nine million, nine hundred forty-four thousand, four hundred twenty-three".