123300321 has 4 divisors (see below), whose sum is σ = 164400432. Its totient is φ = 82200212.

The previous prime is 123300311. The next prime is 123300323. The reversal of 123300321 is 123003321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123300321 - 2¹³ = 123292129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123300321.

It is not an unprimeable number, because it can be changed into a prime (123300323) 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, 20550051 + ... + 20550056.

It is an arithmetic number, because the mean of its divisors is an integer number (41100108).

Almost surely, 2^123300321 is an apocalyptic number.

It is an amenable number.

123300321 is a deficient number, since it is larger than the sum of its proper divisors (41100111).

123300321 is an equidigital number, since it uses as much as digits as its factorization.

123300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41100110.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 123300321 is about 11104.0677681650. The cubic root of 123300321 is about 497.7234113539.

Adding to 123300321 its reverse (123003321), we get a palindrome (246303642).

The spelling of 123300321 in words is "one hundred twenty-three million, three hundred thousand, three hundred twenty-one".