423446117 has 2 divisors, whose sum is σ = 423446118. Its totient is φ = 423446116.

The previous prime is 423446071. The next prime is 423446131. The reversal of 423446117 is 711644324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307862116 + 115584001 = 17546^2 + 10751^2 .

It is a cyclic number.

It is not a de Polignac number, because 423446117 - 2⁸ = 423445861 is a prime.

It is a super-2 number, since 2×423446117² = 358613228004755378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423446417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211723058 + 211723059.

It is an arithmetic number, because the mean of its divisors is an integer number (211723059).

Almost surely, 2^423446117 is an apocalyptic number.

It is an amenable number.

423446117 is a deficient number, since it is larger than the sum of its proper divisors (1).

423446117 is an equidigital number, since it uses as much as digits as its factorization.

423446117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 423446117 is about 20577.8064185666. The cubic root of 423446117 is about 750.9298789201.

The spelling of 423446117 in words is "four hundred twenty-three million, four hundred forty-six thousand, one hundred seventeen".