1423747717169 has 2 divisors, whose sum is σ = 1423747717170. Its totient is φ = 1423747717168.

The previous prime is 1423747717159. The next prime is 1423747717177. The reversal of 1423747717169 is 9617177473241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149473458225 + 274274258944 = 1072135^2 + 523712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423747717169 - 2⁸ = 1423747716913 is a prime.

It is a super-2 number, since 2×1423747717169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423747717159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711873858584 + 711873858585.

It is an arithmetic number, because the mean of its divisors is an integer number (711873858585).

Almost surely, 2^{1423747717169} is an apocalyptic number.

It is an amenable number.

1423747717169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423747717169 is an equidigital number, since it uses as much as digits as its factorization.

1423747717169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12446784, while the sum is 59.

The spelling of 1423747717169 in words is "one trillion, four hundred twenty-three billion, seven hundred forty-seven million, seven hundred seventeen thousand, one hundred sixty-nine".