5603123 has 4 divisors (see below), whose sum is σ = 5613048. Its totient is φ = 5593200.

The previous prime is 5603111. The next prime is 5603131. The reversal of 5603123 is 3213065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213065 = 5 ⋅642613.

It is a cyclic number.

It is not a de Polignac number, because 5603123 - 2¹⁰ = 5602099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5603095 and 5603104.

It is not an unprimeable number, because it can be changed into a prime (5603023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (1403262).

Almost surely, 2^5603123 is an apocalyptic number.

5603123 is a deficient number, since it is larger than the sum of its proper divisors (9925).

5603123 is an equidigital number, since it uses as much as digits as its factorization.

5603123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 5603123 is about 2367.0916754532. The cubic root of 5603123 is about 177.6138052163.

Adding to 5603123 its reverse (3213065), we get a palindrome (8816188).

The spelling of 5603123 in words is "five million, six hundred three thousand, one hundred twenty-three".