423443141344361 has 2 divisors, whose sum is σ = 423443141344362. Its totient is φ = 423443141344360.

The previous prime is 423443141344337. The next prime is 423443141344367. The reversal of 423443141344361 is 163443141344324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378688914524761 + 44754226819600 = 19459931^2 + 6689860^2 .

It is a cyclic number.

It is not a de Polignac number, because 423443141344361 - 2¹⁰ = 423443141343337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (423443141344367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721570672180 + 211721570672181.

It is an arithmetic number, because the mean of its divisors is an integer number (211721570672181).

Almost surely, 2^{423443141344361} is an apocalyptic number.

It is an amenable number.

423443141344361 is a deficient number, since it is larger than the sum of its proper divisors (1).

423443141344361 is an equidigital number, since it uses as much as digits as its factorization.

423443141344361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 47.

Adding to 423443141344361 its reverse (163443141344324), we get a palindrome (586886282688685).

The spelling of 423443141344361 in words is "four hundred twenty-three trillion, four hundred forty-three billion, one hundred forty-one million, three hundred forty-four thousand, three hundred sixty-one".