1445143423 has 2 divisors, whose sum is σ = 1445143424. Its totient is φ = 1445143422.

The previous prime is 1445143411. The next prime is 1445143481. The reversal of 1445143423 is 3243415441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1445143423 - 2⁹ = 1445142911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445143723) 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, 722571711 + 722571712.

It is an arithmetic number, because the mean of its divisors is an integer number (722571712).

Almost surely, 2^1445143423 is an apocalyptic number.

1445143423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445143423 is an equidigital number, since it uses as much as digits as its factorization.

1445143423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 1445143423 is about 38015.0420623205. The cubic root of 1445143423 is about 1130.5861221711.

Adding to 1445143423 its reverse (3243415441), we get a palindrome (4688558864).

The spelling of 1445143423 in words is "one billion, four hundred forty-five million, one hundred forty-three thousand, four hundred twenty-three".