9973423 has 8 divisors (see below), whose sum is σ = 10581120. Its totient is φ = 9374040.

The previous prime is 9973417. The next prime is 9973489. The reversal of 9973423 is 3243799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9973423 is a prime.

It is a d-powerful number, because it can be written as 9 + 9⁶ + 7⁸ + 3 + 4¹⁰ + 2²¹ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (1322640).

Almost surely, 2^9973423 is an apocalyptic number.

9973423 is a deficient number, since it is larger than the sum of its proper divisors (607697).

9973423 is a wasteful number, since it uses less digits than its factorization.

9973423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157.

The product of its digits is 40824, while the sum is 37.

The square root of 9973423 is about 3158.0726717414. The cubic root of 9973423 is about 215.2524382998.

The spelling of 9973423 in words is "nine million, nine hundred seventy-three thousand, four hundred twenty-three".