4724623 has 4 divisors (see below), whose sum is σ = 5002560. Its totient is φ = 4446688.

The previous prime is 4724611. The next prime is 4724627. The reversal of 4724623 is 3264274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4724623 is a prime.

It is a Duffinian number.

4724623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4724591 and 4724600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4724627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138943 + ... + 138976.

It is an arithmetic number, because the mean of its divisors is an integer number (1250640).

Almost surely, 2^4724623 is an apocalyptic number.

4724623 is a deficient number, since it is larger than the sum of its proper divisors (277937).

4724623 is a wasteful number, since it uses less digits than its factorization.

4724623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277936.

The product of its digits is 8064, while the sum is 28.

The square root of 4724623 is about 2173.6197919599. The cubic root of 4724623 is about 167.7988782757.

Adding to 4724623 its reverse (3264274), we get a palindrome (7988897).

The spelling of 4724623 in words is "four million, seven hundred twenty-four thousand, six hundred twenty-three".