121303010323 has 16 divisors (see below), whose sum is σ = 137469404160. Its totient is φ = 106038410400.

The previous prime is 121303010291. The next prime is 121303010327. The reversal of 121303010323 is 323010303121.

It is a cyclic number.

It is not a de Polignac number, because 121303010323 - 2⁵ = 121303010291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121303010323.

It is not an unprimeable number, because it can be changed into a prime (121303010327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079353 + ... + 1186426.

It is an arithmetic number, because the mean of its divisors is an integer number (8591837760).

Almost surely, 2^121303010323 is an apocalyptic number.

121303010323 is a deficient number, since it is larger than the sum of its proper divisors (16166393837).

121303010323 is a wasteful number, since it uses less digits than its factorization.

121303010323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265978.

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

Adding to 121303010323 its reverse (323010303121), we get a palindrome (444313313444).

The spelling of 121303010323 in words is "one hundred twenty-one billion, three hundred three million, ten thousand, three hundred twenty-three".