323720223 has 8 divisors (see below), whose sum is σ = 431888688. Its totient is φ = 215682624.

The previous prime is 323720219. The next prime is 323720227. The reversal of 323720223 is 322027323.

It is an interprime number because it is at equal distance from previous prime (323720219) and next prime (323720227).

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

It is not a de Polignac number, because 323720223 - 2² = 323720219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323720193 and 323720202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323720227) 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, 26790 + ... + 36947.

It is an arithmetic number, because the mean of its divisors is an integer number (53986086).

Almost surely, 2^323720223 is an apocalyptic number.

323720223 is a deficient number, since it is larger than the sum of its proper divisors (108168465).

323720223 is a wasteful number, since it uses less digits than its factorization.

323720223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65433.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 323720223 is about 17992.2267382334. The cubic root of 323720223 is about 686.6307943315.

Adding to 323720223 its reverse (322027323), we get a palindrome (645747546).

The spelling of 323720223 in words is "three hundred twenty-three million, seven hundred twenty thousand, two hundred twenty-three".