121301120444023 has 16 divisors (see below), whose sum is σ = 138317728883040. Its totient is φ = 105382621403136.

The previous prime is 121301120443967. The next prime is 121301120444027. The reversal of 121301120444023 is 320444021103121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121301120444023 - 2⁹ = 121301120443511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301120443982 and 121301120444000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301120444027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17467263 + ... + 23403151.

It is an arithmetic number, because the mean of its divisors is an integer number (8644858055190).

Almost surely, 2^{121301120444023} is an apocalyptic number.

121301120444023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121301120444023 is a deficient number, since it is larger than the sum of its proper divisors (17016608439017).

121301120444023 is a wasteful number, since it uses less digits than its factorization.

121301120444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028386.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121301120444023 its reverse (320444021103121), we get a palindrome (441745141547144).

The spelling of 121301120444023 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred twenty million, four hundred forty-four thousand, twenty-three".