123330321 has 12 divisors (see below), whose sum is σ = 182287248. Its totient is φ = 80307864.

The previous prime is 123330271. The next prime is 123330341. The reversal of 123330321 is 123033321.

123330321 is a `hidden beast` number, since 12 + 3 + 330 + 321 = 666.

It is not a de Polignac number, because 123330321 - 2⁹ = 123329809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123330294 and 123330303.

It is not an unprimeable number, because it can be changed into a prime (123330341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158955 + ... + 159728.

It is an arithmetic number, because the mean of its divisors is an integer number (15190604).

Almost surely, 2^123330321 is an apocalyptic number.

It is an amenable number.

123330321 is a deficient number, since it is larger than the sum of its proper divisors (58956927).

123330321 is a wasteful number, since it uses less digits than its factorization.

123330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318732 (or 318729 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123330321 is about 11105.4185423153. The cubic root of 123330321 is about 497.7637748376.

Adding to 123330321 its reverse (123033321), we get a palindrome (246363642).

It can be divided in two parts, 12 and 3330321, that added together give a palindrome (3330333).

The spelling of 123330321 in words is "one hundred twenty-three million, three hundred thirty thousand, three hundred twenty-one".