319923 has 24 divisors (see below), whose sum is σ = 515760. Its totient is φ = 195840.

The previous prime is 319919. The next prime is 319927. The reversal of 319923 is 329913.

It is an interprime number because it is at equal distance from previous prime (319919) and next prime (319927).

It is not a de Polignac number, because 319923 - 2² = 319919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319923.

It is not an unprimeable number, because it can be changed into a prime (319927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7783 + ... + 7823.

It is an arithmetic number, because the mean of its divisors is an integer number (21490).

2³¹⁹⁹²³ is an apocalyptic number.

319923 is a deficient number, since it is larger than the sum of its proper divisors (195837).

319923 is a wasteful number, since it uses less digits than its factorization.

319923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 61 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 319923 is about 565.6173618269. The cubic root of 319923 is about 68.3935512541.

The spelling of 319923 in words is "three hundred nineteen thousand, nine hundred twenty-three".