4322623 has 4 divisors (see below), whose sum is σ = 4338288. Its totient is φ = 4306960.

The previous prime is 4322603. The next prime is 4322651. The reversal of 4322623 is 3262234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262234 = 2 ⋅1631117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4322623 is a prime.

It is a Duffinian number.

4322623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4322594 and 4322603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322603) 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, 7411 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (1084572).

Almost surely, 2^4322623 is an apocalyptic number.

4322623 is a deficient number, since it is larger than the sum of its proper divisors (15665).

4322623 is a wasteful number, since it uses less digits than its factorization.

4322623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15664.

The product of its digits is 1728, while the sum is 22.

The square root of 4322623 is about 2079.0918690621. The cubic root of 4322623 is about 162.8980129072.

Adding to 4322623 its reverse (3262234), we get a palindrome (7584857).

The spelling of 4322623 in words is "four million, three hundred twenty-two thousand, six hundred twenty-three".