411823 has 2 divisors, whose sum is σ = 411824. Its totient is φ = 411822.

The previous prime is 411821. The next prime is 411833. The reversal of 411823 is 328114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 411823 - 2¹ = 411821 is a prime.

Together with 411821, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 411823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205911 + 205912.

It is an arithmetic number, because the mean of its divisors is an integer number (205912).

2⁴¹¹⁸²³ is an apocalyptic number.

411823 is a deficient number, since it is larger than the sum of its proper divisors (1).

411823 is an equidigital number, since it uses as much as digits as its factorization.

411823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 411823 is about 641.7343687228. The cubic root of 411823 is about 74.3995312531.

Adding to 411823 its reverse (328114), we get a palindrome (739937).

It can be divided in two parts, 411 and 823, that multiplied together give a triangular number (338253 = T₈₂₂).

The spelling of 411823 in words is "four hundred eleven thousand, eight hundred twenty-three".