423542010851777 has 2 divisors, whose sum is σ = 423542010851778. Its totient is φ = 423542010851776.

The previous prime is 423542010851761. The next prime is 423542010851963. The reversal of 423542010851777 is 777158010245324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384677771145616 + 38864239706161 = 19613204^2 + 6234119^2 .

It is a cyclic number.

It is not a de Polignac number, because 423542010851777 - 2⁴ = 423542010851761 is a prime.

It is not a weakly prime, because it can be changed into another prime (423542012851777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211771005425888 + 211771005425889.

It is an arithmetic number, because the mean of its divisors is an integer number (211771005425889).

Almost surely, 2^{423542010851777} is an apocalyptic number.

It is an amenable number.

423542010851777 is a deficient number, since it is larger than the sum of its proper divisors (1).

423542010851777 is an equidigital number, since it uses as much as digits as its factorization.

423542010851777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 423542010851777 in words is "four hundred twenty-three trillion, five hundred forty-two billion, ten million, eight hundred fifty-one thousand, seven hundred seventy-seven".