123330621 has 8 divisors (see below), whose sum is σ = 166757184. Its totient is φ = 81062240.

The previous prime is 123330601. The next prime is 123330637. The reversal of 123330621 is 126033321.

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

It is a cyclic number.

It is not a de Polignac number, because 123330621 - 2¹⁰ = 123329597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123330601) 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, 289296 + ... + 289721.

It is an arithmetic number, because the mean of its divisors is an integer number (20844648).

Almost surely, 2^123330621 is an apocalyptic number.

It is an amenable number.

123330621 is a deficient number, since it is larger than the sum of its proper divisors (43426563).

123330621 is an equidigital number, since it uses as much as digits as its factorization.

123330621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579091.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 123330621 is about 11105.4320492271. The cubic root of 123330621 is about 497.7641784394.

Adding to 123330621 its reverse (126033321), we get a palindrome (249363942).

The spelling of 123330621 in words is "one hundred twenty-three million, three hundred thirty thousand, six hundred twenty-one".