121340310414323 has 192 divisors, whose sum is σ = 172360314685440. Its totient is φ = 83045571840000.

The previous prime is 121340310414319. The next prime is 121340310414383. The reversal of 121340310414323 is 323414013043121.

It is not a de Polignac number, because 121340310414323 - 2² = 121340310414319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121340310414323.

It is not an unprimeable number, because it can be changed into a prime (121340310414383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3054949058 + ... + 3054988776.

It is an arithmetic number, because the mean of its divisors is an integer number (897709972320).

Almost surely, 2^{121340310414323} is an apocalyptic number.

121340310414323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121340310414323 is a deficient number, since it is larger than the sum of its proper divisors (51020004271117).

121340310414323 is a wasteful number, since it uses less digits than its factorization.

121340310414323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39970 (or 39959 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 121340310414323 its reverse (323414013043121), we get a palindrome (444754323457444).

The spelling of 121340310414323 in words is "one hundred twenty-one trillion, three hundred forty billion, three hundred ten million, four hundred fourteen thousand, three hundred twenty-three".