319423 has 4 divisors (see below), whose sum is σ = 344008. Its totient is φ = 294840.

The previous prime is 319411. The next prime is 319427. The reversal of 319423 is 324913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324913 = 59 ⋅5507.

It is not a de Polignac number, because 319423 - 2⁵ = 319391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319394 and 319403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319427) 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, 12273 + ... + 12298.

It is an arithmetic number, because the mean of its divisors is an integer number (86002).

2³¹⁹⁴²³ is an apocalyptic number.

319423 is a deficient number, since it is larger than the sum of its proper divisors (24585).

319423 is a wasteful number, since it uses less digits than its factorization.

319423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24584.

The product of its digits is 648, while the sum is 22.

The square root of 319423 is about 565.1751940770. The cubic root of 319423 is about 68.3579024613.

The spelling of 319423 in words is "three hundred nineteen thousand, four hundred twenty-three".