423500317 has 2 divisors, whose sum is σ = 423500318. Its totient is φ = 423500316.

The previous prime is 423500309. The next prime is 423500327. The reversal of 423500317 is 713005324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411521796 + 11978521 = 20286^2 + 3461^2 .

It is a cyclic number.

It is not a de Polignac number, because 423500317 - 2³ = 423500309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423500291 and 423500300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423500327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211750158 + 211750159.

It is an arithmetic number, because the mean of its divisors is an integer number (211750159).

Almost surely, 2^423500317 is an apocalyptic number.

It is an amenable number.

423500317 is a deficient number, since it is larger than the sum of its proper divisors (1).

423500317 is an equidigital number, since it uses as much as digits as its factorization.

423500317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 423500317 is about 20579.1233292383. The cubic root of 423500317 is about 750.9619165760.

The spelling of 423500317 in words is "four hundred twenty-three million, five hundred thousand, three hundred seventeen".