423342040343041 has 2 divisors, whose sum is σ = 423342040343042. Its totient is φ = 423342040343040.

The previous prime is 423342040343039. The next prime is 423342040343051. The reversal of 423342040343041 is 140343040243324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308327998051441 + 115014042291600 = 17559271^2 + 10724460^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342040343041 - 2¹ = 423342040343039 is a prime.

Together with 423342040343039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (423342040343011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671020171520 + 211671020171521.

It is an arithmetic number, because the mean of its divisors is an integer number (211671020171521).

Almost surely, 2^{423342040343041} is an apocalyptic number.

It is an amenable number.

423342040343041 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342040343041 is an equidigital number, since it uses as much as digits as its factorization.

423342040343041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 423342040343041 its reverse (140343040243324), we get a palindrome (563685080586365).

The spelling of 423342040343041 in words is "four hundred twenty-three trillion, three hundred forty-two billion, forty million, three hundred forty-three thousand, forty-one".