1423141772869 has 2 divisors, whose sum is σ = 1423141772870. Its totient is φ = 1423141772868.

The previous prime is 1423141772779. The next prime is 1423141772879. The reversal of 1423141772869 is 9682771413241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1408226035969 + 14915736900 = 1186687^2 + 122130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423141772869 - 2²³ = 1423133384261 is a prime.

It is a super-2 number, since 2×1423141772869² (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 (1423141772879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711570886434 + 711570886435.

It is an arithmetic number, because the mean of its divisors is an integer number (711570886435).

Almost surely, 2^{1423141772869} is an apocalyptic number.

It is an amenable number.

1423141772869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423141772869 is an equidigital number, since it uses as much as digits as its factorization.

1423141772869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The spelling of 1423141772869 in words is "one trillion, four hundred twenty-three billion, one hundred forty-one million, seven hundred seventy-two thousand, eight hundred sixty-nine".