279323 has 8 divisors (see below), whose sum is σ = 310080. Its totient is φ = 249480.

The previous prime is 279317. The next prime is 279329. The reversal of 279323 is 323972.

279323 = 102² + 103² + ... + 123².

It is an interprime number because it is at equal distance from previous prime (279317) and next prime (279329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 279323 - 2¹² = 275227 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 279292 and 279301.

It is not an unprimeable number, because it can be changed into a prime (279329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (38760).

2²⁷⁹³²³ is an apocalyptic number.

279323 is a deficient number, since it is larger than the sum of its proper divisors (30757).

279323 is a wasteful number, since it uses less digits than its factorization.

279323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 2268, while the sum is 26.

The square root of 279323 is about 528.5101701954. The cubic root of 279323 is about 65.3685571780.

The spelling of 279323 in words is "two hundred seventy-nine thousand, three hundred twenty-three".