423355241 has 2 divisors, whose sum is σ = 423355242. Its totient is φ = 423355240.

The previous prime is 423355223. The next prime is 423355243. The reversal of 423355241 is 142553324.

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., 420414016 + 2941225 = 20504^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 423355241 - 2¹⁴ = 423338857 is a prime.

Together with 423355243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423355243) 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, 211677620 + 211677621.

It is an arithmetic number, because the mean of its divisors is an integer number (211677621).

Almost surely, 2^423355241 is an apocalyptic number.

It is an amenable number.

423355241 is a deficient number, since it is larger than the sum of its proper divisors (1).

423355241 is an equidigital number, since it uses as much as digits as its factorization.

423355241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 423355241 is about 20575.5981930052. The cubic root of 423355241 is about 750.8761559210.

The spelling of 423355241 in words is "four hundred twenty-three million, three hundred fifty-five thousand, two hundred forty-one".