123403304321 has 8 divisors (see below), whose sum is σ = 136631067744. Its totient is φ = 110510421120.

The previous prime is 123403304251. The next prime is 123403304327.

123403304321 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-123403304321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123403304327) 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, 83719280 + ... + 83720753.

It is an arithmetic number, because the mean of its divisors is an integer number (17078883468).

Almost surely, 2^123403304321 is an apocalyptic number.

123403304321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123403304321 is a deficient number, since it is larger than the sum of its proper divisors (13227763423).

123403304321 is a wasteful number, since it uses less digits than its factorization.

123403304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167440111.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 123403 and 304321, that added together give a palindrome (427724).

The spelling of 123403304321 in words is "one hundred twenty-three billion, four hundred three million, three hundred four thousand, three hundred twenty-one".