9903323 has 4 divisors (see below), whose sum is σ = 10114080. Its totient is φ = 9692568.

The previous prime is 9903307. The next prime is 9903331. The reversal of 9903323 is 3233099.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233099 = 83 ⋅38953.

It is a cyclic number.

It is not a de Polignac number, because 9903323 - 2⁴ = 9903307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9903623) 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, 105308 + ... + 105401.

It is an arithmetic number, because the mean of its divisors is an integer number (2528520).

Almost surely, 2^9903323 is an apocalyptic number.

9903323 is a deficient number, since it is larger than the sum of its proper divisors (210757).

9903323 is a wasteful number, since it uses less digits than its factorization.

9903323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210756.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 9903323 is about 3146.9545595703. The cubic root of 9903323 is about 214.7469386000.

The spelling of 9903323 in words is "nine million, nine hundred three thousand, three hundred twenty-three".