409423223 has 12 divisors (see below), whose sum is σ = 476501760. Its totient is φ = 350306880.

The previous prime is 409423213. The next prime is 409423271. The reversal of 409423223 is 322324904.

It is not a de Polignac number, because 409423223 - 2¹⁰ = 409422199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97463 + ... + 101576.

It is an arithmetic number, because the mean of its divisors is an integer number (39708480).

Almost surely, 2^409423223 is an apocalyptic number.

409423223 is a deficient number, since it is larger than the sum of its proper divisors (67078537).

409423223 is a wasteful number, since it uses less digits than its factorization.

409423223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199078 (or 199067 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 409423223 is about 20234.2092259619. The cubic root of 409423223 is about 742.5473586619.

The spelling of 409423223 in words is "four hundred nine million, four hundred twenty-three thousand, two hundred twenty-three".