406316023 has 2 divisors, whose sum is σ = 406316024. Its totient is φ = 406316022.

The previous prime is 406315993. The next prime is 406316033. The reversal of 406316023 is 320613604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406316023 - 2¹³ = 406307831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406316033) 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, 203158011 + 203158012.

It is an arithmetic number, because the mean of its divisors is an integer number (203158012).

Almost surely, 2^406316023 is an apocalyptic number.

406316023 is a deficient number, since it is larger than the sum of its proper divisors (1).

406316023 is an equidigital number, since it uses as much as digits as its factorization.

406316023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 406316023 is about 20157.2821332639. The cubic root of 406316023 is about 740.6641365445.

Adding to 406316023 its reverse (320613604), we get a palindrome (726929627).

The spelling of 406316023 in words is "four hundred six million, three hundred sixteen thousand, twenty-three".