503423064103 has 2 divisors, whose sum is σ = 503423064104. Its totient is φ = 503423064102.

The previous prime is 503423064101. The next prime is 503423064121. The reversal of 503423064103 is 301460324305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503423064103 - 2¹ = 503423064101 is a prime.

Together with 503423064101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503423064101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251711532051 + 251711532052.

It is an arithmetic number, because the mean of its divisors is an integer number (251711532052).

Almost surely, 2^503423064103 is an apocalyptic number.

503423064103 is a deficient number, since it is larger than the sum of its proper divisors (1).

503423064103 is an equidigital number, since it uses as much as digits as its factorization.

503423064103 is an evil number, because the sum of its binary digits is even.

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

Adding to 503423064103 its reverse (301460324305), we get a palindrome (804883388408).

The spelling of 503423064103 in words is "five hundred three billion, four hundred twenty-three million, sixty-four thousand, one hundred three".