408623323 has 4 divisors (see below), whose sum is σ = 415322128. Its totient is φ = 401924520.

The previous prime is 408623317. The next prime is 408623333. The reversal of 408623323 is 323326804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408623323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408623333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349311 + ... + 3349432.

It is an arithmetic number, because the mean of its divisors is an integer number (103830532).

Almost surely, 2^408623323 is an apocalyptic number.

408623323 is a deficient number, since it is larger than the sum of its proper divisors (6698805).

408623323 is an equidigital number, since it uses as much as digits as its factorization.

408623323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698804.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 408623323 is about 20214.4335315141. The cubic root of 408623323 is about 742.0634658481.

The spelling of 408623323 in words is "four hundred eight million, six hundred twenty-three thousand, three hundred twenty-three".