9955423 has 4 divisors (see below), whose sum is σ = 9963400. Its totient is φ = 9947448.

The previous prime is 9955417. The next prime is 9955441. The reversal of 9955423 is 3245599.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9955423 is a prime.

It is a super-2 number, since 2×9955423² = 198220894217858, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 5⁵ + 5⁷ + 4² + 2¹⁷ + 3¹¹ .

It is a Duffinian number.

9955423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665 + ... + 4762.

It is an arithmetic number, because the mean of its divisors is an integer number (2490850).

Almost surely, 2^9955423 is an apocalyptic number.

9955423 is a deficient number, since it is larger than the sum of its proper divisors (7977).

9955423 is a wasteful number, since it uses less digits than its factorization.

9955423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976.

The product of its digits is 48600, while the sum is 37.

The square root of 9955423 is about 3155.2215453118. The cubic root of 9955423 is about 215.1228646937.

The spelling of 9955423 in words is "nine million, nine hundred fifty-five thousand, four hundred twenty-three".