423143297 has 2 divisors, whose sum is σ = 423143298. Its totient is φ = 423143296.

The previous prime is 423143233. The next prime is 423143317. The reversal of 423143297 is 792341324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423083761 + 59536 = 20569^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 423143297 - 2⁶ = 423143233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423143597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211571648 + 211571649.

It is an arithmetic number, because the mean of its divisors is an integer number (211571649).

Almost surely, 2^423143297 is an apocalyptic number.

It is an amenable number.

423143297 is a deficient number, since it is larger than the sum of its proper divisors (1).

423143297 is an equidigital number, since it uses as much as digits as its factorization.

423143297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 423143297 is about 20570.4471754991. The cubic root of 423143297 is about 750.7508314927.

The spelling of 423143297 in words is "four hundred twenty-three million, one hundred forty-three thousand, two hundred ninety-seven".