423543345341 has 2 divisors, whose sum is σ = 423543345342. Its totient is φ = 423543345340.

The previous prime is 423543345299. The next prime is 423543345413. The reversal of 423543345341 is 143543345324.

Together with next prime (423543345413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403949224900 + 19594120441 = 635570^2 + 139979^2 .

It is a cyclic number.

It is not a de Polignac number, because 423543345341 - 2²² = 423539151037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423543345041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211771672670 + 211771672671.

It is an arithmetic number, because the mean of its divisors is an integer number (211771672671).

Almost surely, 2^423543345341 is an apocalyptic number.

It is an amenable number.

423543345341 is a deficient number, since it is larger than the sum of its proper divisors (1).

423543345341 is an equidigital number, since it uses as much as digits as its factorization.

423543345341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 41.

The spelling of 423543345341 in words is "four hundred twenty-three billion, five hundred forty-three million, three hundred forty-five thousand, three hundred forty-one".