7320423 has 8 divisors (see below), whose sum is σ = 10647936. Its totient is φ = 4436600.

The previous prime is 7320419. The next prime is 7320437. The reversal of 7320423 is 3240237.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7320423 - 2² = 7320419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7320423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320403) 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, 110883 + ... + 110948.

It is an arithmetic number, because the mean of its divisors is an integer number (1330992).

Almost surely, 2^7320423 is an apocalyptic number.

7320423 is a deficient number, since it is larger than the sum of its proper divisors (3327513).

7320423 is a wasteful number, since it uses less digits than its factorization.

7320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221845.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 7320423 is about 2705.6280232138. The cubic root of 7320423 is about 194.1684776571.

The spelling of 7320423 in words is "seven million, three hundred twenty thousand, four hundred twenty-three".