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423205301 is a prime number
BaseRepresentation
bin11001001110011…
…001100110110101
31002111100001112102
4121032121212311
51331320032201
6105554431445
713326120461
oct3116314665
91074301472
10423205301
111a7985452
12b9892585
13698a794c
14402c54a1
152724926b
hex193999b5

423205301 has 2 divisors, whose sum is σ = 423205302. Its totient is φ = 423205300.

The previous prime is 423205271. The next prime is 423205303. The reversal of 423205301 is 103502324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243672100 + 179533201 = 15610^2 + 13399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-423205301 is a prime.

Together with 423205303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423205303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211602650 + 211602651.

It is an arithmetic number, because the mean of its divisors is an integer number (211602651).

Almost surely, 2423205301 is an apocalyptic number.

It is an amenable number.

423205301 is a deficient number, since it is larger than the sum of its proper divisors (1).

423205301 is an equidigital number, since it uses as much as digits as its factorization.

423205301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 423205301 is about 20571.9542338593. The cubic root of 423205301 is about 750.7874993555.

Adding to 423205301 its reverse (103502324), we get a palindrome (526707625).

The spelling of 423205301 in words is "four hundred twenty-three million, two hundred five thousand, three hundred one".