319345123 has 2 divisors, whose sum is σ = 319345124. Its totient is φ = 319345122.

The previous prime is 319345099. The next prime is 319345139. The reversal of 319345123 is 321543913.

It is a strong prime.

It is an emirp because it is prime and its reverse (321543913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319345123 - 2⁹ = 319344611 is a prime.

It is not a weakly prime, because it can be changed into another prime (319346123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159672561 + 159672562.

It is an arithmetic number, because the mean of its divisors is an integer number (159672562).

Almost surely, 2^319345123 is an apocalyptic number.

319345123 is a deficient number, since it is larger than the sum of its proper divisors (1).

319345123 is an equidigital number, since it uses as much as digits as its factorization.

319345123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 319345123 is about 17870.2300768625. The cubic root of 319345123 is about 683.5234667162.

The spelling of 319345123 in words is "three hundred nineteen million, three hundred forty-five thousand, one hundred twenty-three".