123300330400421 has 8 divisors (see below), whose sum is σ = 127576647329400. Its totient is φ = 119025652231360.

The previous prime is 123300330400391. The next prime is 123300330400439. The reversal of 123300330400421 is 124004033003321.

It can be written as a sum of positive squares in 4 ways, for example, as 78756572760100 + 44543757640321 = 8874490^2 + 6674111^2 .

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 123300330400421 - 2³⁰ = 123299256658597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300330480421) 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 7 ways as a sum of consecutive naturals, for example, 409536890 + ... + 409837851.

It is an arithmetic number, because the mean of its divisors is an integer number (15947080916175).

Almost surely, 2^{123300330400421} is an apocalyptic number.

It is an amenable number.

123300330400421 is a deficient number, since it is larger than the sum of its proper divisors (4276316928979).

123300330400421 is an equidigital number, since it uses as much as digits as its factorization.

123300330400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819379959.

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

Adding to 123300330400421 its reverse (124004033003321), we get a palindrome (247304363403742).

The spelling of 123300330400421 in words is "one hundred twenty-three trillion, three hundred billion, three hundred thirty million, four hundred thousand, four hundred twenty-one".