423306317 has 4 divisors (see below), whose sum is σ = 483778656. Its totient is φ = 362833980.

The previous prime is 423306293. The next prime is 423306337. The reversal of 423306317 is 713603324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423306317 - 2¹⁰ = 423305293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423306317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423306337) 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, 30236159 + ... + 30236172.

It is an arithmetic number, because the mean of its divisors is an integer number (120944664).

Almost surely, 2^423306317 is an apocalyptic number.

It is an amenable number.

423306317 is a deficient number, since it is larger than the sum of its proper divisors (60472339).

423306317 is an equidigital number, since it uses as much as digits as its factorization.

423306317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60472338.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 423306317 is about 20574.4092746305. The cubic root of 423306317 is about 750.8472304256.

The spelling of 423306317 in words is "four hundred twenty-three million, three hundred six thousand, three hundred seventeen".