319423543 has 4 divisors (see below), whose sum is σ = 319474888. Its totient is φ = 319372200.

The previous prime is 319423493. The next prime is 319423547. The reversal of 319423543 is 345324913.

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

It is a cyclic number.

It is not a de Polignac number, because 319423543 - 2⁹ = 319423031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319423499 and 319423508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319423547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14808 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (79868722).

Almost surely, 2^319423543 is an apocalyptic number.

319423543 is a deficient number, since it is larger than the sum of its proper divisors (51345).

319423543 is an equidigital number, since it uses as much as digits as its factorization.

319423543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51344.

The product of its digits is 38880, while the sum is 34.

The square root of 319423543 is about 17872.4240941177. The cubic root of 319423543 is about 683.5794119610.

The spelling of 319423543 in words is "three hundred nineteen million, four hundred twenty-three thousand, five hundred forty-three".