7216323 has 4 divisors (see below), whose sum is σ = 9621768. Its totient is φ = 4810880.

The previous prime is 7216309. The next prime is 7216343. The reversal of 7216323 is 3236127.

7216323 is nontrivially palindromic in base 11.

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

It is a cyclic number.

It is not a de Polignac number, because 7216323 - 2⁵ = 7216291 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7216293 and 7216302.

It is not an unprimeable number, because it can be changed into a prime (7216343) 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, 1202718 + ... + 1202723.

It is an arithmetic number, because the mean of its divisors is an integer number (2405442).

Almost surely, 2^7216323 is an apocalyptic number.

7216323 is a deficient number, since it is larger than the sum of its proper divisors (2405445).

7216323 is a wasteful number, since it uses less digits than its factorization.

7216323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405444.

The product of its digits is 1512, while the sum is 24.

The square root of 7216323 is about 2686.3214625208. The cubic root of 7216323 is about 193.2436897794.

The spelling of 7216323 in words is "seven million, two hundred sixteen thousand, three hundred twenty-three".