319541923 has 4 divisors (see below), whose sum is σ = 330560640. Its totient is φ = 308523208.

The previous prime is 319541909. The next prime is 319541977. The reversal of 319541923 is 329145913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329145913 = 643 ⋅511891.

It is a cyclic number.

It is not a de Polignac number, because 319541923 - 2⁵ = 319541891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319541983) 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, 5509315 + ... + 5509372.

It is an arithmetic number, because the mean of its divisors is an integer number (82640160).

Almost surely, 2^319541923 is an apocalyptic number.

319541923 is a deficient number, since it is larger than the sum of its proper divisors (11018717).

319541923 is a wasteful number, since it uses less digits than its factorization.

319541923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018716.

The product of its digits is 29160, while the sum is 37.

The square root of 319541923 is about 17875.7355932560. The cubic root of 319541923 is about 683.6638475408.

The spelling of 319541923 in words is "three hundred nineteen million, five hundred forty-one thousand, nine hundred twenty-three".