319023243 has 48 divisors (see below), whose sum is σ = 604780800. Its totient is φ = 156997440.

The previous prime is 319023217. The next prime is 319023277. The reversal of 319023243 is 342320913.

It is a happy number.

It is not a de Polignac number, because 319023243 - 2⁸ = 319022987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (319023293) 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 in 47 ways as a sum of consecutive naturals, for example, 1053 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (12599600).

Almost surely, 2^319023243 is an apocalyptic number.

319023243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

319023243 is a deficient number, since it is larger than the sum of its proper divisors (285757557).

319023243 is a wasteful number, since it uses less digits than its factorization.

319023243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272 (or 24269 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 319023243 is about 17861.2217667213. The cubic root of 319023243 is about 683.2937398171.

The spelling of 319023243 in words is "three hundred nineteen million, twenty-three thousand, two hundred forty-three".