120243223443353 has 6 divisors (see below), whose sum is σ = 124247160125082. Its totient is φ = 116364409782960.

The previous prime is 120243223443281. The next prime is 120243223443361. The reversal of 120243223443353 is 353344322342021.

It can be written as a sum of positive squares in only one way, i.e., 83230077794704 + 37013145648649 = 9123052^2 + 6083843^2 .

It is not a de Polignac number, because 120243223443353 - 2²⁴ = 120243206666137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120243223443353.

It is not an unprimeable number, because it can be changed into a prime (120243223443383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62561509676 + ... + 62561511597.

It is an arithmetic number, because the mean of its divisors is an integer number (20707860020847).

Almost surely, 2^{120243223443353} is an apocalyptic number.

It is an amenable number.

120243223443353 is a deficient number, since it is larger than the sum of its proper divisors (4003936681729).

120243223443353 is an equidigital number, since it uses as much as digits as its factorization.

120243223443353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125123021335 (or 125123021304 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 120243223443353 its reverse (353344322342021), we get a palindrome (473587545785374).

The spelling of 120243223443353 in words is "one hundred twenty trillion, two hundred forty-three billion, two hundred twenty-three million, four hundred forty-three thousand, three hundred fifty-three".