439123 has 2 divisors, whose sum is σ = 439124. Its totient is φ = 439122.

The previous prime is 439081. The next prime is 439133. The reversal of 439123 is 321934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 439123 - 2⁹ = 438611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 439094 and 439103.

It is not a weakly prime, because it can be changed into another prime (439133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219561 + 219562.

It is an arithmetic number, because the mean of its divisors is an integer number (219562).

2⁴³⁹¹²³ is an apocalyptic number.

439123 is a deficient number, since it is larger than the sum of its proper divisors (1).

439123 is an equidigital number, since it uses as much as digits as its factorization.

439123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 439123 is about 662.6635647144. The cubic root of 439123 is about 76.0084824327.

The spelling of 439123 in words is "four hundred thirty-nine thousand, one hundred twenty-three".