423338017 has 2 divisors, whose sum is σ = 423338018. Its totient is φ = 423338016.

The previous prime is 423338009. The next prime is 423338033. The reversal of 423338017 is 710833324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356605456 + 66732561 = 18884^2 + 8169^2 .

It is a cyclic number.

It is not a de Polignac number, because 423338017 - 2³ = 423338009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423338017.

It is not a weakly prime, because it can be changed into another prime (423338057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211669008 + 211669009.

It is an arithmetic number, because the mean of its divisors is an integer number (211669009).

Almost surely, 2^423338017 is an apocalyptic number.

It is an amenable number.

423338017 is a deficient number, since it is larger than the sum of its proper divisors (1).

423338017 is an equidigital number, since it uses as much as digits as its factorization.

423338017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 423338017 is about 20575.1796346958. The cubic root of 423338017 is about 750.8659727737.

The spelling of 423338017 in words is "four hundred twenty-three million, three hundred thirty-eight thousand, seventeen".