419723 has 6 divisors (see below), whose sum is σ = 431604. Its totient is φ = 408156.

The previous prime is 419711. The next prime is 419743. The reversal of 419723 is 327914.

It is not a de Polignac number, because 419723 - 2⁸ = 419467 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 419692 and 419701.

It is not an unprimeable number, because it can be changed into a prime (419743) 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 in 5 ways as a sum of consecutive naturals, for example, 1736 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (71934).

2⁴¹⁹⁷²³ is an apocalyptic number.

419723 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

419723 is a deficient number, since it is larger than the sum of its proper divisors (11881).

419723 is an equidigital number, since it uses as much as digits as its factorization.

419723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 270 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 419723 is about 647.8603244527. The cubic root of 419723 is about 74.8722566193.

Subtracting from 419723 its reverse (327914), we obtain a square (91809 = 303²).

The spelling of 419723 in words is "four hundred nineteen thousand, seven hundred twenty-three".