9990303323 has 32 divisors (see below), whose sum is σ = 13484040192. Its totient is φ = 7148073600.

The previous prime is 9990303313. The next prime is 9990303373. The reversal of 9990303323 is 3233030999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9990303323 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9990303313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165065 + ... + 217317.

It is an arithmetic number, because the mean of its divisors is an integer number (421376256).

Almost surely, 2^9990303323 is an apocalyptic number.

9990303323 is a deficient number, since it is larger than the sum of its proper divisors (3493736869).

9990303323 is a wasteful number, since it uses less digits than its factorization.

9990303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52475.

The product of its (nonzero) digits is 118098, while the sum is 41.

The square root of 9990303323 is about 99951.5048561051. The cubic root of 9990303323 is about 2153.7381029204.

It can be divided in two parts, 9990 and 303323, that added together give a palindrome (313313).

The spelling of 9990303323 in words is "nine billion, nine hundred ninety million, three hundred three thousand, three hundred twenty-three".