5603623 has 2 divisors, whose sum is σ = 5603624. Its totient is φ = 5603622.

The previous prime is 5603617. The next prime is 5603627. The reversal of 5603623 is 3263065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5603623 - 2⁹ = 5603111 is a prime.

It is a super-2 number, since 2×5603623² = 62801181452258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5603627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2801811 + 2801812.

It is an arithmetic number, because the mean of its divisors is an integer number (2801812).

Almost surely, 2^5603623 is an apocalyptic number.

5603623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5603623 is an equidigital number, since it uses as much as digits as its factorization.

5603623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 5603623 is about 2367.1972879336. The cubic root of 5603623 is about 177.6190882380.

Adding to 5603623 its reverse (3263065), we get a palindrome (8866688).

It can be divided in two parts, 5603 and 623, that added together give a palindrome (6226).

The spelling of 5603623 in words is "five million, six hundred three thousand, six hundred twenty-three".