110143202243123 has 4 divisors (see below), whose sum is σ = 125877945420720. Its totient is φ = 94408459065528.

The previous prime is 110143202243119. The next prime is 110143202243147. The reversal of 110143202243123 is 321342202341011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 110143202243123 - 2² = 110143202243119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110143202245123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7867371588788 + ... + 7867371588801.

It is an arithmetic number, because the mean of its divisors is an integer number (31469486355180).

Almost surely, 2^{110143202243123} is an apocalyptic number.

110143202243123 is a deficient number, since it is larger than the sum of its proper divisors (15734743177597).

110143202243123 is an equidigital number, since it uses as much as digits as its factorization.

110143202243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734743177596.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 110143202243123 its reverse (321342202341011), we get a palindrome (431485404584134).

The spelling of 110143202243123 in words is "one hundred ten trillion, one hundred forty-three billion, two hundred two million, two hundred forty-three thousand, one hundred twenty-three".