9912339423 has 24 divisors (see below), whose sum is σ = 16381767168. Its totient is φ = 5657776272.

The previous prime is 9912339419. The next prime is 9912339439. The reversal of 9912339423 is 3249332199.

It is not a de Polignac number, because 9912339423 - 2² = 9912339419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912339443) 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, 32811 + ... + 144572.

It is an arithmetic number, because the mean of its divisors is an integer number (682573632).

Almost surely, 2^9912339423 is an apocalyptic number.

9912339423 is a deficient number, since it is larger than the sum of its proper divisors (6469427745).

9912339423 is a wasteful number, since it uses less digits than its factorization.

9912339423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178283 (or 178280 counting only the distinct ones).

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

The square root of 9912339423 is about 99560.7323345906. The cubic root of 9912339423 is about 2148.1209053330.

The spelling of 9912339423 in words is "nine billion, nine hundred twelve million, three hundred thirty-nine thousand, four hundred twenty-three".