423341235503 has 2 divisors, whose sum is σ = 423341235504. Its totient is φ = 423341235502.

The previous prime is 423341235413. The next prime is 423341235509. The reversal of 423341235503 is 305532143324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423341235503 - 2¹⁶ = 423341169967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423341235509) 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, 211670617751 + 211670617752.

It is an arithmetic number, because the mean of its divisors is an integer number (211670617752).

Almost surely, 2^423341235503 is an apocalyptic number.

423341235503 is a deficient number, since it is larger than the sum of its proper divisors (1).

423341235503 is an equidigital number, since it uses as much as digits as its factorization.

423341235503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 423341235503 its reverse (305532143324), we get a palindrome (728873378827).

The spelling of 423341235503 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred thirty-five thousand, five hundred three".