4504623 has 4 divisors (see below), whose sum is σ = 6006168. Its totient is φ = 3003080.

The previous prime is 4504607. The next prime is 4504627. The reversal of 4504623 is 3264054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4504623 - 2⁴ = 4504607 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4504593 and 4504602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4504627) 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, 750768 + ... + 750773.

It is an arithmetic number, because the mean of its divisors is an integer number (1501542).

Almost surely, 2^4504623 is an apocalyptic number.

4504623 is a deficient number, since it is larger than the sum of its proper divisors (1501545).

4504623 is a wasteful number, since it uses less digits than its factorization.

4504623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501544.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4504623 is about 2122.4097153943. The cubic root of 4504623 is about 165.1528794273.

Adding to 4504623 its product of nonzero digits (2880), we get a triangular number (4507503 = T₃₀₀₂).

Adding to 4504623 its reverse (3264054), we get a palindrome (7768677).

The spelling of 4504623 in words is "four million, five hundred four thousand, six hundred twenty-three".