1423250166269 has 2 divisors, whose sum is σ = 1423250166270. Its totient is φ = 1423250166268.

The previous prime is 1423250166211. The next prime is 1423250166281. The reversal of 1423250166269 is 9626610523241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017687528025 + 405562638244 = 1008805^2 + 636838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423250166269 is a prime.

It is a super-2 number, since 2×1423250166269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423250166769) 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, 711625083134 + 711625083135.

It is an arithmetic number, because the mean of its divisors is an integer number (711625083135).

Almost surely, 2^{1423250166269} is an apocalyptic number.

It is an amenable number.

1423250166269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423250166269 is an equidigital number, since it uses as much as digits as its factorization.

1423250166269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 1423250166269 in words is "one trillion, four hundred twenty-three billion, two hundred fifty million, one hundred sixty-six thousand, two hundred sixty-nine".