3144979723 has 4 divisors (see below), whose sum is σ = 3153889368. Its totient is φ = 3136070080.

The previous prime is 3144979703. The next prime is 3144979751. The reversal of 3144979723 is 3279794413.

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-3144979723 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144979703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4454293 + ... + 4454998.

It is an arithmetic number, because the mean of its divisors is an integer number (788472342).

Almost surely, 2^3144979723 is an apocalyptic number.

3144979723 is a deficient number, since it is larger than the sum of its proper divisors (8909645).

3144979723 is an equidigital number, since it uses as much as digits as its factorization.

3144979723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8909644.

The product of its digits is 1143072, while the sum is 49.

The square root of 3144979723 is about 56080.1187855375. The cubic root of 3144979723 is about 1465.1180424169.

The spelling of 3144979723 in words is "three billion, one hundred forty-four million, nine hundred seventy-nine thousand, seven hundred twenty-three".