423305101 has 2 divisors, whose sum is σ = 423305102. Its totient is φ = 423305100.

The previous prime is 423305023. The next prime is 423305143. The reversal of 423305101 is 101503324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423289476 + 15625 = 20574^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 423305101 - 2¹⁷ = 423174029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423305191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211652550 + 211652551.

It is an arithmetic number, because the mean of its divisors is an integer number (211652551).

Almost surely, 2^423305101 is an apocalyptic number.

It is an amenable number.

423305101 is a deficient number, since it is larger than the sum of its proper divisors (1).

423305101 is an equidigital number, since it uses as much as digits as its factorization.

423305101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 423305101 is about 20574.3797233355. The cubic root of 423305101 is about 750.8465114576.

Adding to 423305101 its reverse (101503324), we get a palindrome (524808425).

The spelling of 423305101 in words is "four hundred twenty-three million, three hundred five thousand, one hundred one".