121442044323 has 4 divisors (see below), whose sum is σ = 161922725768. Its totient is φ = 80961362880.

The previous prime is 121442044319. The next prime is 121442044333. The reversal of 121442044323 is 323440244121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121442044323 - 2² = 121442044319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121442044333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20240340718 + ... + 20240340723.

It is an arithmetic number, because the mean of its divisors is an integer number (40480681442).

Almost surely, 2^121442044323 is an apocalyptic number.

121442044323 is a deficient number, since it is larger than the sum of its proper divisors (40480681445).

121442044323 is an equidigital number, since it uses as much as digits as its factorization.

121442044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480681444.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 121442044323 its reverse (323440244121), we get a palindrome (444882288444).

The spelling of 121442044323 in words is "one hundred twenty-one billion, four hundred forty-two million, forty-four thousand, three hundred twenty-three".