503423064101 has 2 divisors, whose sum is σ = 503423064102. Its totient is φ = 503423064100.

The previous prime is 503423064091. The next prime is 503423064103. The reversal of 503423064101 is 101460324305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457552133476 + 45870930625 = 676426^2 + 214175^2 .

It is a cyclic number.

It is not a de Polignac number, because 503423064101 - 2⁶ = 503423064037 is a prime.

Together with 503423064103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503423064103) 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, 251711532050 + 251711532051.

It is an arithmetic number, because the mean of its divisors is an integer number (251711532051).

Almost surely, 2^503423064101 is an apocalyptic number.

It is an amenable number.

503423064101 is a deficient number, since it is larger than the sum of its proper divisors (1).

503423064101 is an equidigital number, since it uses as much as digits as its factorization.

503423064101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 503423064101 its reverse (101460324305), we get a palindrome (604883388406).

The spelling of 503423064101 in words is "five hundred three billion, four hundred twenty-three million, sixty-four thousand, one hundred one".