1420144423 has 2 divisors, whose sum is σ = 1420144424. Its totient is φ = 1420144422.

The previous prime is 1420144393. The next prime is 1420144447. The reversal of 1420144423 is 3244410241.

It is a strong prime.

It is an emirp because it is prime and its reverse (3244410241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420144423 - 2⁵ = 1420144391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420144463) 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, 710072211 + 710072212.

It is an arithmetic number, because the mean of its divisors is an integer number (710072212).

Almost surely, 2^1420144423 is an apocalyptic number.

1420144423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420144423 is an equidigital number, since it uses as much as digits as its factorization.

1420144423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1420144423 is about 37684.8036083512. The cubic root of 1420144423 is about 1124.0289689874.

Adding to 1420144423 its reverse (3244410241), we get a palindrome (4664554664).

The spelling of 1420144423 in words is "one billion, four hundred twenty million, one hundred forty-four thousand, four hundred twenty-three".