120143025543 has 4 divisors (see below), whose sum is σ = 160190700728. Its totient is φ = 80095350360.

The previous prime is 120143025529. The next prime is 120143025547. The reversal of 120143025543 is 345520341021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345520341021 = 3 ⋅115173447007.

It is not a de Polignac number, because 120143025543 - 2⁸ = 120143025287 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 120143025543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143025547) 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, 20023837588 + ... + 20023837593.

It is an arithmetic number, because the mean of its divisors is an integer number (40047675182).

Almost surely, 2^120143025543 is an apocalyptic number.

120143025543 is a deficient number, since it is larger than the sum of its proper divisors (40047675185).

120143025543 is an equidigital number, since it uses as much as digits as its factorization.

120143025543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40047675184.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 120143025543 its reverse (345520341021), we get a palindrome (465663366564).

The spelling of 120143025543 in words is "one hundred twenty billion, one hundred forty-three million, twenty-five thousand, five hundred forty-three".