1423340006503 has 2 divisors, whose sum is σ = 1423340006504. Its totient is φ = 1423340006502.

The previous prime is 1423340006441. The next prime is 1423340006509. The reversal of 1423340006503 is 3056000433241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423340006503 is a prime.

It is a super-2 number, since 2×1423340006503² (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 (1423340006509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711670003251 + 711670003252.

It is an arithmetic number, because the mean of its divisors is an integer number (711670003252).

Almost surely, 2^{1423340006503} is an apocalyptic number.

1423340006503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423340006503 is an equidigital number, since it uses as much as digits as its factorization.

1423340006503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1423340006503 its reverse (3056000433241), we get a palindrome (4479340439744).

The spelling of 1423340006503 in words is "one trillion, four hundred twenty-three billion, three hundred forty million, six thousand, five hundred three".