9955823 has 2 divisors, whose sum is σ = 9955824. Its totient is φ = 9955822.

The previous prime is 9955819. The next prime is 9955853. The reversal of 9955823 is 3285599.

9955823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9955823 - 2² = 9955819 is a prime.

It is a d-powerful number, because it can be written as 9 + 9³ + 5² + 5¹⁰ + 8⁴ + 2¹³ + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9955853) 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, 4977911 + 4977912.

It is an arithmetic number, because the mean of its divisors is an integer number (4977912).

Almost surely, 2^9955823 is an apocalyptic number.

9955823 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955823 is an equidigital number, since it uses as much as digits as its factorization.

9955823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 9955823 is about 3155.2849316662. The cubic root of 9955823 is about 215.1257458033.

The spelling of 9955823 in words is "nine million, nine hundred fifty-five thousand, eight hundred twenty-three".