503123000366641 has 2 divisors, whose sum is σ = 503123000366642. Its totient is φ = 503123000366640.

The previous prime is 503123000366587. The next prime is 503123000366713. The reversal of 503123000366641 is 146663000321305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282721659720241 + 220401340646400 = 16814329^2 + 14845920^2 .

It is a cyclic number.

It is not a de Polignac number, because 503123000366641 - 2¹⁵ = 503123000333873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503123000366594 and 503123000366603.

It is not a weakly prime, because it can be changed into another prime (503123000366941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251561500183320 + 251561500183321.

It is an arithmetic number, because the mean of its divisors is an integer number (251561500183321).

Almost surely, 2^{503123000366641} is an apocalyptic number.

It is an amenable number.

503123000366641 is a deficient number, since it is larger than the sum of its proper divisors (1).

503123000366641 is an equidigital number, since it uses as much as digits as its factorization.

503123000366641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 503123000366641 its reverse (146663000321305), we get a palindrome (649786000687946).

The spelling of 503123000366641 in words is "five hundred three trillion, one hundred twenty-three billion, three hundred sixty-six thousand, six hundred forty-one".