423342020401 has 2 divisors, whose sum is σ = 423342020402. Its totient is φ = 423342020400.

The previous prime is 423342020347. The next prime is 423342020501. The reversal of 423342020401 is 104020243324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316517634801 + 106824385600 = 562599^2 + 326840^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342020401 - 2¹⁵ = 423341987633 is a prime.

It is not a weakly prime, because it can be changed into another prime (423342020501) 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, 211671010200 + 211671010201.

It is an arithmetic number, because the mean of its divisors is an integer number (211671010201).

Almost surely, 2^423342020401 is an apocalyptic number.

It is an amenable number.

423342020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342020401 is an equidigital number, since it uses as much as digits as its factorization.

423342020401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 423342020401 its reverse (104020243324), we get a palindrome (527362263725).

The spelling of 423342020401 in words is "four hundred twenty-three billion, three hundred forty-two million, twenty thousand, four hundred one".