120243310232143 has 16 divisors (see below), whose sum is σ = 137459891416576. Its totient is φ = 103036472431200.

The previous prime is 120243310232041. The next prime is 120243310232161. The reversal of 120243310232143 is 341232013342021.

It is a de Polignac number, because none of the positive numbers 2^k-120243310232143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243310832143) 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, 903671968 + ... + 903805018.

It is an arithmetic number, because the mean of its divisors is an integer number (8591243213536).

Almost surely, 2^{120243310232143} is an apocalyptic number.

120243310232143 is a deficient number, since it is larger than the sum of its proper divisors (17216581184433).

120243310232143 is a wasteful number, since it uses less digits than its factorization.

120243310232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168694.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 120243310232143 its reverse (341232013342021), we get a palindrome (461475323574164).

The spelling of 120243310232143 in words is "one hundred twenty trillion, two hundred forty-three billion, three hundred ten million, two hundred thirty-two thousand, one hundred forty-three".