1423230321193 has 2 divisors, whose sum is σ = 1423230321194. Its totient is φ = 1423230321192.

The previous prime is 1423230321167. The next prime is 1423230321221. The reversal of 1423230321193 is 3911230323241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249684759449 + 173545561744 = 1117893^2 + 416588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423230321193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423230321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711615160596 + 711615160597.

It is an arithmetic number, because the mean of its divisors is an integer number (711615160597).

Almost surely, 2^{1423230321193} is an apocalyptic number.

It is an amenable number.

1423230321193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423230321193 is an equidigital number, since it uses as much as digits as its factorization.

1423230321193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 1423230321193 in words is "one trillion, four hundred twenty-three billion, two hundred thirty million, three hundred twenty-one thousand, one hundred ninety-three".