423064460344481 has 2 divisors, whose sum is σ = 423064460344482. Its totient is φ = 423064460344480.

The previous prime is 423064460344439. The next prime is 423064460344501. The reversal of 423064460344481 is 184443064460324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357302237953600 + 65762222390881 = 18902440^2 + 8109391^2 .

It is a cyclic number.

It is not a de Polignac number, because 423064460344481 - 2³⁰ = 423063386602657 is a prime.

It is a super-2 number, since 2×423064460344481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423064460344181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211532230172240 + 211532230172241.

It is an arithmetic number, because the mean of its divisors is an integer number (211532230172241).

Almost surely, 2^{423064460344481} is an apocalyptic number.

It is an amenable number.

423064460344481 is a deficient number, since it is larger than the sum of its proper divisors (1).

423064460344481 is an equidigital number, since it uses as much as digits as its factorization.

423064460344481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21233664, while the sum is 53.

The spelling of 423064460344481 in words is "four hundred twenty-three trillion, sixty-four billion, four hundred sixty million, three hundred forty-four thousand, four hundred eighty-one".