121304043333423 has 12 divisors (see below), whose sum is σ = 175220865689688. Its totient is φ = 80867555664720.

The previous prime is 121304043333397. The next prime is 121304043333437. The reversal of 121304043333423 is 324333340403121.

121304043333423 is a `hidden beast` number, since 1 + 2 + 1 + 304 + 0 + 4 + 3 + 3 + 3 + 342 + 3 = 666.

It is not a de Polignac number, because 121304043333423 - 2⁶ = 121304043333359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121304043333493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150121140 + ... + 150927017.

It is an arithmetic number, because the mean of its divisors is an integer number (14601738807474).

Almost surely, 2^{121304043333423} is an apocalyptic number.

121304043333423 is a deficient number, since it is larger than the sum of its proper divisors (53916822356265).

121304043333423 is a wasteful number, since it uses less digits than its factorization.

121304043333423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301092934 (or 301092931 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 121304043333423 its reverse (324333340403121), we get a palindrome (445637383736544).

The spelling of 121304043333423 in words is "one hundred twenty-one trillion, three hundred four billion, forty-three million, three hundred thirty-three thousand, four hundred twenty-three".