123320223 has 48 divisors (see below), whose sum is σ = 200674656. Its totient is φ = 72472320.

The previous prime is 123320221. The next prime is 123320231. The reversal of 123320223 is 322023321.

It is a happy number.

123320223 is a `hidden beast` number, since 123 + 320 + 223 = 666.

It is not a de Polignac number, because 123320223 - 2¹ = 123320221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123320196 and 123320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263836 + ... + 264302.

It is an arithmetic number, because the mean of its divisors is an integer number (4180722).

Almost surely, 2^123320223 is an apocalyptic number.

123320223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123320223 is a deficient number, since it is larger than the sum of its proper divisors (77354433).

123320223 is a wasteful number, since it uses less digits than its factorization.

123320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 581 counting only the distinct ones).

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

The square root of 123320223 is about 11104.9638900809. The cubic root of 123320223 is about 497.7501892199.

Adding to 123320223 its reverse (322023321), we get a palindrome (445343544).

The spelling of 123320223 in words is "one hundred twenty-three million, three hundred twenty thousand, two hundred twenty-three".