9939316123 has 8 divisors (see below), whose sum is σ = 10843755840. Its totient is φ = 9035020680.

The previous prime is 9939316109. The next prime is 9939316129. The reversal of 9939316123 is 3216139399.

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

It is a cyclic number.

It is not a de Polignac number, because 9939316123 - 2⁵ = 9939316091 is a prime.

It is a super-2 number, since 2×9939316123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9939316129) 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 7 ways as a sum of consecutive naturals, for example, 149536 + ... + 205522.

It is an arithmetic number, because the mean of its divisors is an integer number (1355469480).

Almost surely, 2^9939316123 is an apocalyptic number.

9939316123 is a deficient number, since it is larger than the sum of its proper divisors (904439717).

9939316123 is a wasteful number, since it uses less digits than its factorization.

9939316123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72137.

The product of its digits is 236196, while the sum is 46.

The square root of 9939316123 is about 99696.1188963743. The cubic root of 9939316123 is about 2150.0678632266.

The spelling of 9939316123 in words is "nine billion, nine hundred thirty-nine million, three hundred sixteen thousand, one hundred twenty-three".