406453823 has 2 divisors, whose sum is σ = 406453824. Its totient is φ = 406453822.

The previous prime is 406453813. The next prime is 406453847. The reversal of 406453823 is 328354604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406453823 - 2¹⁰ = 406452799 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406453813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203226911 + 203226912.

It is an arithmetic number, because the mean of its divisors is an integer number (203226912).

Almost surely, 2^406453823 is an apocalyptic number.

406453823 is a deficient number, since it is larger than the sum of its proper divisors (1).

406453823 is an equidigital number, since it uses as much as digits as its factorization.

406453823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 406453823 is about 20160.6999630469. The cubic root of 406453823 is about 740.7478578979.

The spelling of 406453823 in words is "four hundred six million, four hundred fifty-three thousand, eight hundred twenty-three".