423422410218953 has 2 divisors, whose sum is σ = 423422410218954. Its totient is φ = 423422410218952.

The previous prime is 423422410218943. The next prime is 423422410218979. The reversal of 423422410218953 is 359812014224324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359222766767929 + 64199643451024 = 18953173^2 + 8012468^2 .

It is a cyclic number.

It is not a de Polignac number, because 423422410218953 - 2³⁰ = 423421336477129 is a prime.

It is not a weakly prime, because it can be changed into another prime (423422410218943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211711205109476 + 211711205109477.

It is an arithmetic number, because the mean of its divisors is an integer number (211711205109477).

Almost surely, 2^{423422410218953} is an apocalyptic number.

It is an amenable number.

423422410218953 is a deficient number, since it is larger than the sum of its proper divisors (1).

423422410218953 is an equidigital number, since it uses as much as digits as its factorization.

423422410218953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 423422410218953 in words is "four hundred twenty-three trillion, four hundred twenty-two billion, four hundred ten million, two hundred eighteen thousand, nine hundred fifty-three".