120620523712243 has 4 divisors (see below), whose sum is σ = 120777377449960. Its totient is φ = 120463669974528.

The previous prime is 120620523712217. The next prime is 120620523712321. The reversal of 120620523712243 is 342217325026021.

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 120620523712243 - 2¹⁷ = 120620523581171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120620523712196 and 120620523712205.

It is not an unprimeable number, because it can be changed into a prime (120620523712343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78426867705 + ... + 78426869242.

It is an arithmetic number, because the mean of its divisors is an integer number (30194344362490).

Almost surely, 2^{120620523712243} is an apocalyptic number.

120620523712243 is a deficient number, since it is larger than the sum of its proper divisors (156853737717).

120620523712243 is an equidigital number, since it uses as much as digits as its factorization.

120620523712243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156853737716.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 120620523712243 its reverse (342217325026021), we get a palindrome (462837848738264).

The spelling of 120620523712243 in words is "one hundred twenty trillion, six hundred twenty billion, five hundred twenty-three million, seven hundred twelve thousand, two hundred forty-three".