123001303321 has 4 divisors (see below), whose sum is σ = 132462942052. Its totient is φ = 113539664592.

The previous prime is 123001303297. The next prime is 123001303331. The reversal of 123001303321 is 123303100321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40078038025 + 82923265296 = 200195^2 + 287964^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001303321 - 2³¹ = 120853819673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123001303331) 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 3 ways as a sum of consecutive naturals, for example, 4730819346 + ... + 4730819371.

It is an arithmetic number, because the mean of its divisors is an integer number (33115735513).

Almost surely, 2^123001303321 is an apocalyptic number.

It is an amenable number.

123001303321 is a deficient number, since it is larger than the sum of its proper divisors (9461638731).

123001303321 is an equidigital number, since it uses as much as digits as its factorization.

123001303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461638730.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123001303321 its reverse (123303100321), we get a palindrome (246304403642).

The spelling of 123001303321 in words is "one hundred twenty-three billion, one million, three hundred three thousand, three hundred twenty-one".