506047123 has 2 divisors, whose sum is σ = 506047124. Its totient is φ = 506047122.

The previous prime is 506047093. The next prime is 506047151. The reversal of 506047123 is 321740605.

It is an a-pointer prime, because the next prime (506047151) can be obtained adding 506047123 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506047123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506047091 and 506047100.

It is not a weakly prime, because it can be changed into another prime (506047183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253023561 + 253023562.

It is an arithmetic number, because the mean of its divisors is an integer number (253023562).

Almost surely, 2^506047123 is an apocalyptic number.

506047123 is a deficient number, since it is larger than the sum of its proper divisors (1).

506047123 is an equidigital number, since it uses as much as digits as its factorization.

506047123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 506047123 is about 22495.4911704546. The cubic root of 506047123 is about 796.8874489671.

Adding to 506047123 its reverse (321740605), we get a palindrome (827787728).

The spelling of 506047123 in words is "five hundred six million, forty-seven thousand, one hundred twenty-three".