1423816689073 has 2 divisors, whose sum is σ = 1423816689074. Its totient is φ = 1423816689072.

The previous prime is 1423816689023. The next prime is 1423816689089. The reversal of 1423816689073 is 3709866183241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1248877771024 + 174938918049 = 1117532^2 + 418257^2 .

It is an emirp because it is prime and its reverse (3709866183241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423816689073 - 2⁹ = 1423816688561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423816688999 and 1423816689017.

It is not a weakly prime, because it can be changed into another prime (1423816689023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711908344536 + 711908344537.

It is an arithmetic number, because the mean of its divisors is an integer number (711908344537).

Almost surely, 2^{1423816689073} is an apocalyptic number.

It is an amenable number.

1423816689073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423816689073 is an equidigital number, since it uses as much as digits as its factorization.

1423816689073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 1423816689073 in words is "one trillion, four hundred twenty-three billion, eight hundred sixteen million, six hundred eighty-nine thousand, seventy-three".