9996400323 has 96 divisors (see below), whose sum is σ = 19056468480. Its totient is φ = 5042917440.

The previous prime is 9996400319. The next prime is 9996400357. The reversal of 9996400323 is 3230046999.

It is a Cunningham number, because it is equal to 99982²-1.

It is not a de Polignac number, because 9996400323 - 2² = 9996400319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996400303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1295908 + ... + 1303598.

It is an arithmetic number, because the mean of its divisors is an integer number (198504880).

Almost surely, 2^9996400323 is an apocalyptic number.

9996400323 is a deficient number, since it is larger than the sum of its proper divisors (9060068157).

9996400323 is a wasteful number, since it uses less digits than its factorization.

9996400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7737 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 9996400323 is about 99981.9999949991. Note that the first 5 decimals coincide. The cubic root of 9996400323 is about 2154.1761500407.

The spelling of 9996400323 in words is "nine billion, nine hundred ninety-six million, four hundred thousand, three hundred twenty-three".