9911682123 has 24 divisors (see below), whose sum is σ = 16041627648. Its totient is φ = 5417563536.

The previous prime is 9911682097. The next prime is 9911682127. The reversal of 9911682123 is 3212861199.

It is not a de Polignac number, because 9911682123 - 2⁶ = 9911682059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9911682127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1462411 + ... + 1469172.

It is an arithmetic number, because the mean of its divisors is an integer number (668401152).

Almost surely, 2^9911682123 is an apocalyptic number.

9911682123 is a deficient number, since it is larger than the sum of its proper divisors (6129945525).

9911682123 is a wasteful number, since it uses less digits than its factorization.

9911682123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931623 (or 2931616 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 9911682123 is about 99557.4312796388. The cubic root of 9911682123 is about 2148.0734227284.

The spelling of 9911682123 in words is "nine billion, nine hundred eleven million, six hundred eighty-two thousand, one hundred twenty-three".