503347663123 has 2 divisors, whose sum is σ = 503347663124. Its totient is φ = 503347663122.

The previous prime is 503347663081. The next prime is 503347663141. The reversal of 503347663123 is 321366743305.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503347663123 - 2⁹ = 503347662611 is a prime.

It is a super-2 number, since 2×503347663123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503347663123.

It is not a weakly prime, because it can be changed into another prime (503347663823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251673831561 + 251673831562.

It is an arithmetic number, because the mean of its divisors is an integer number (251673831562).

Almost surely, 2^503347663123 is an apocalyptic number.

503347663123 is a deficient number, since it is larger than the sum of its proper divisors (1).

503347663123 is an equidigital number, since it uses as much as digits as its factorization.

503347663123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 503347663123 in words is "five hundred three billion, three hundred forty-seven million, six hundred sixty-three thousand, one hundred twenty-three".