120055430243 has 4 divisors (see below), whose sum is σ = 137206206000. Its totient is φ = 102904654488.

The previous prime is 120055430219. The next prime is 120055430273. The reversal of 120055430243 is 342034550021.

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 120055430243 - 2¹⁸ = 120055168099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120055430273) 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, 8575387868 + ... + 8575387881.

It is an arithmetic number, because the mean of its divisors is an integer number (34301551500).

Almost surely, 2^120055430243 is an apocalyptic number.

120055430243 is a deficient number, since it is larger than the sum of its proper divisors (17150775757).

120055430243 is an equidigital number, since it uses as much as digits as its factorization.

120055430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150775756.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 120055430243 its reverse (342034550021), we get a palindrome (462089980264).

The spelling of 120055430243 in words is "one hundred twenty billion, fifty-five million, four hundred thirty thousand, two hundred forty-three".