409598023 has 2 divisors, whose sum is σ = 409598024. Its totient is φ = 409598022.

The previous prime is 409598011. The next prime is 409598081. The reversal of 409598023 is 320895904.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409598023 - 2²¹ = 407500871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409598083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204799011 + 204799012.

It is an arithmetic number, because the mean of its divisors is an integer number (204799012).

Almost surely, 2^409598023 is an apocalyptic number.

409598023 is a deficient number, since it is larger than the sum of its proper divisors (1).

409598023 is an equidigital number, since it uses as much as digits as its factorization.

409598023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 409598023 is about 20238.5281826520. The cubic root of 409598023 is about 742.6530185296.

The spelling of 409598023 in words is "four hundred nine million, five hundred ninety-eight thousand, twenty-three".