423540545041 has 2 divisors, whose sum is σ = 423540545042. Its totient is φ = 423540545040.

The previous prime is 423540545017. The next prime is 423540545047. The reversal of 423540545041 is 140545045324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423508100625 + 32444416 = 650775^2 + 5696^2 .

It is a cyclic number.

It is not a de Polignac number, because 423540545041 - 2²⁹ = 423003674129 is a prime.

It is not a weakly prime, because it can be changed into another prime (423540545047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211770272520 + 211770272521.

It is an arithmetic number, because the mean of its divisors is an integer number (211770272521).

Almost surely, 2^423540545041 is an apocalyptic number.

It is an amenable number.

423540545041 is a deficient number, since it is larger than the sum of its proper divisors (1).

423540545041 is an equidigital number, since it uses as much as digits as its factorization.

423540545041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 423540545041 in words is "four hundred twenty-three billion, five hundred forty million, five hundred forty-five thousand, forty-one".