12878164323 has 48 divisors (see below), whose sum is σ = 19448747136. Its totient is φ = 8515497600.

The previous prime is 12878164283. The next prime is 12878164361. The reversal of 12878164323 is 32346187821.

It is a Cunningham number, because it is equal to 113482²-1.

It is not a de Polignac number, because 12878164323 - 2⁶ = 12878164259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12878164423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27576136 + ... + 27576602.

It is an arithmetic number, because the mean of its divisors is an integer number (405182232).

Almost surely, 2^12878164323 is an apocalyptic number.

12878164323 is a deficient number, since it is larger than the sum of its proper divisors (6570582813).

12878164323 is an equidigital number, since it uses as much as digits as its factorization.

12878164323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1154 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 12878164323 in words is "twelve billion, eight hundred seventy-eight million, one hundred sixty-four thousand, three hundred twenty-three".