423411217 has 2 divisors, whose sum is σ = 423411218. Its totient is φ = 423411216.

The previous prime is 423411211. The next prime is 423411227. The reversal of 423411217 is 712114324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297769536 + 125641681 = 17256^2 + 11209^2 .

It is a cyclic number.

It is not a de Polignac number, because 423411217 - 2¹¹ = 423409169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423411191 and 423411200.

It is not a weakly prime, because it can be changed into another prime (423411211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211705608 + 211705609.

It is an arithmetic number, because the mean of its divisors is an integer number (211705609).

Almost surely, 2^423411217 is an apocalyptic number.

It is an amenable number.

423411217 is a deficient number, since it is larger than the sum of its proper divisors (1).

423411217 is an equidigital number, since it uses as much as digits as its factorization.

423411217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 423411217 is about 20576.9584001135. The cubic root of 423411217 is about 750.9092480600.

It can be divided in two parts, 4234 and 11217, that added together give a palindrome (15451).

The spelling of 423411217 in words is "four hundred twenty-three million, four hundred eleven thousand, two hundred seventeen".