4623423 has 8 divisors (see below), whose sum is σ = 7045248. Its totient is φ = 2641944.

The previous prime is 4623413. The next prime is 4623427. The reversal of 4623423 is 3243264.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4623423 - 2⁹ = 4622911 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4623423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4623393 and 4623402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110061 + ... + 110102.

It is an arithmetic number, because the mean of its divisors is an integer number (880656).

Almost surely, 2^4623423 is an apocalyptic number.

4623423 is a deficient number, since it is larger than the sum of its proper divisors (2421825).

4623423 is a wasteful number, since it uses less digits than its factorization.

4623423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220173.

The product of its digits is 3456, while the sum is 24.

The square root of 4623423 is about 2150.2146404487. The cubic root of 4623423 is about 166.5921538031.

Adding to 4623423 its reverse (3243264), we get a palindrome (7866687).

The spelling of 4623423 in words is "four million, six hundred twenty-three thousand, four hundred twenty-three".