323120223 has 48 divisors (see below), whose sum is σ = 500987136. Its totient is φ = 200309760.

The previous prime is 323120201. The next prime is 323120227. The reversal of 323120223 is 322021323.

It is a happy number.

323120223 is a `hidden beast` number, since 323 + 120 + 223 = 666.

It is not a de Polignac number, because 323120223 - 2⁸ = 323119967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323120196 and 323120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323120227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1166361 + ... + 1166637.

It is an arithmetic number, because the mean of its divisors is an integer number (10437232).

Almost surely, 2^323120223 is an apocalyptic number.

323120223 is a deficient number, since it is larger than the sum of its proper divisors (177866913).

323120223 is a wasteful number, since it uses less digits than its factorization.

323120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 323120223 is about 17975.5451377698. The cubic root of 323120223 is about 686.2063194947.

Adding to 323120223 its reverse (322021323), we get a palindrome (645141546).

The spelling of 323120223 in words is "three hundred twenty-three million, one hundred twenty thousand, two hundred twenty-three".