121303120223 has 8 divisors (see below), whose sum is σ = 123447403440. Its totient is φ = 119176200000.

The previous prime is 121303120217. The next prime is 121303120259. The reversal of 121303120223 is 322021303121.

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 121303120223 - 2³⁴ = 104123251039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121303120195 and 121303120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303120273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326653 + ... + 4354598.

It is an arithmetic number, because the mean of its divisors is an integer number (15430925430).

Almost surely, 2^121303120223 is an apocalyptic number.

121303120223 is a deficient number, since it is larger than the sum of its proper divisors (2144283217).

121303120223 is an equidigital number, since it uses as much as digits as its factorization.

121303120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681497.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121303120223 its reverse (322021303121), we get a palindrome (443324423344).

The spelling of 121303120223 in words is "one hundred twenty-one billion, three hundred three million, one hundred twenty thousand, two hundred twenty-three".