4320423 has 6 divisors (see below), whose sum is σ = 6240624. Its totient is φ = 2880276.

The previous prime is 4320419. The next prime is 4320443. The reversal of 4320423 is 3240234.

4320423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4320423 - 2² = 4320419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4320396 and 4320405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240015 + ... + 240032.

It is an arithmetic number, because the mean of its divisors is an integer number (1040104).

Almost surely, 2^4320423 is an apocalyptic number.

4320423 is a deficient number, since it is larger than the sum of its proper divisors (1920201).

4320423 is a wasteful number, since it uses less digits than its factorization.

4320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480053 (or 480050 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4320423 is about 2078.5627245768. The cubic root of 4320423 is about 162.8703725567.

Adding to 4320423 its reverse (3240234), we get a palindrome (7560657).

The spelling of 4320423 in words is "four million, three hundred twenty thousand, four hundred twenty-three".