120344243043 has 4 divisors (see below), whose sum is σ = 160458990728. Its totient is φ = 80229495360.

The previous prime is 120344243021. The next prime is 120344243077. The reversal of 120344243043 is 340342443021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120344243043 - 2⁵ = 120344243011 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 120344243043.

It is not an unprimeable number, because it can be changed into a prime (120344243843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20057373838 + ... + 20057373843.

It is an arithmetic number, because the mean of its divisors is an integer number (40114747682).

Almost surely, 2^120344243043 is an apocalyptic number.

120344243043 is a deficient number, since it is larger than the sum of its proper divisors (40114747685).

120344243043 is an equidigital number, since it uses as much as digits as its factorization.

120344243043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40114747684.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 120344243043 its reverse (340342443021), we get a palindrome (460686686064).

The spelling of 120344243043 in words is "one hundred twenty billion, three hundred forty-four million, two hundred forty-three thousand, forty-three".