4278312173323 has 4 divisors (see below), whose sum is σ = 4282535582208. Its totient is φ = 4274088764440.

The previous prime is 4278312173281. The next prime is 4278312173339. The reversal of 4278312173323 is 3233712138724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4278312173323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4278312173393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111702923 + ... + 2111704948.

It is an arithmetic number, because the mean of its divisors is an integer number (1070633895552).

Almost surely, 2^{4278312173323} is an apocalyptic number.

4278312173323 is a deficient number, since it is larger than the sum of its proper divisors (4223408885).

4278312173323 is a wasteful number, since it uses less digits than its factorization.

4278312173323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223408884.

The product of its digits is 1016064, while the sum is 46.

The spelling of 4278312173323 in words is "four trillion, two hundred seventy-eight billion, three hundred twelve million, one hundred seventy-three thousand, three hundred twenty-three".