1423243423523 has 2 divisors, whose sum is σ = 1423243423524. Its totient is φ = 1423243423522.

The previous prime is 1423243423463. The next prime is 1423243423531. The reversal of 1423243423523 is 3253243423241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423243423523 - 2¹² = 1423243419427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423243425523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711621711761 + 711621711762.

It is an arithmetic number, because the mean of its divisors is an integer number (711621711762).

Almost surely, 2^{1423243423523} is an apocalyptic number.

1423243423523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423243423523 is an equidigital number, since it uses as much as digits as its factorization.

1423243423523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 38.

Adding to 1423243423523 its reverse (3253243423241), we get a palindrome (4676486846764).

The spelling of 1423243423523 in words is "one trillion, four hundred twenty-three billion, two hundred forty-three million, four hundred twenty-three thousand, five hundred twenty-three".