9923575 has 6 divisors (see below), whose sum is σ = 12305264. Its totient is φ = 7938840.

The previous prime is 9923531. The next prime is 9923579. The reversal of 9923575 is 5753299.

It is not a de Polignac number, because 9923575 - 2¹⁹ = 9399287 is a prime.

It is a Duffinian number.

9923575 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923579) 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 in 5 ways as a sum of consecutive naturals, for example, 198447 + ... + 198496.

Almost surely, 2^9923575 is an apocalyptic number.

9923575 is a deficient number, since it is larger than the sum of its proper divisors (2381689).

9923575 is a wasteful number, since it uses less digits than its factorization.

9923575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396953 (or 396948 counting only the distinct ones).

The product of its digits is 85050, while the sum is 40.

The square root of 9923575 is about 3150.1706302993. The cubic root of 9923575 is about 214.8932226235.

The spelling of 9923575 in words is "nine million, nine hundred twenty-three thousand, five hundred seventy-five".