408923 has 2 divisors, whose sum is σ = 408924. Its totient is φ = 408922.

The previous prime is 408913. The next prime is 408943. The reversal of 408923 is 329804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408923 - 2¹⁰ = 407899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408892 and 408901.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408923.

It is not a weakly prime, because it can be changed into another prime (408913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204461 + 204462.

It is an arithmetic number, because the mean of its divisors is an integer number (204462).

2⁴⁰⁸⁹²³ is an apocalyptic number.

408923 is a deficient number, since it is larger than the sum of its proper divisors (1).

408923 is an equidigital number, since it uses as much as digits as its factorization.

408923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 408923 is about 639.4708750209. The cubic root of 408923 is about 74.2244826855.

It can be divided in two parts, 408 and 923, that added together give a palindrome (1331).

The spelling of 408923 in words is "four hundred eight thousand, nine hundred twenty-three".