5503123 has 2 divisors, whose sum is σ = 5503124. Its totient is φ = 5503122.

The previous prime is 5503109. The next prime is 5503129. The reversal of 5503123 is 3213055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5503123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5503123.

It is not a weakly prime, because it can be changed into another prime (5503129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751561 + 2751562.

It is an arithmetic number, because the mean of its divisors is an integer number (2751562).

Almost surely, 2^5503123 is an apocalyptic number.

5503123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503123 is an equidigital number, since it uses as much as digits as its factorization.

5503123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 5503123 is about 2345.8736112587. The cubic root of 5503123 is about 176.5508203776.

Adding to 5503123 its reverse (3213055), we get a palindrome (8716178).

The spelling of 5503123 in words is "five million, five hundred three thousand, one hundred twenty-three".