120303105203343 has 4 divisors (see below), whose sum is σ = 160404140271128. Its totient is φ = 80202070135560.

The previous prime is 120303105203227. The next prime is 120303105203377. The reversal of 120303105203343 is 343302501303021.

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

It is not a de Polignac number, because 120303105203343 - 2⁸ = 120303105203087 is a prime.

It is a super-2 number, since 2×120303105203343² (a number of 29 digits) contains 22 as substring.

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 120303105203343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303105203383) 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, 20050517533888 + ... + 20050517533893.

It is an arithmetic number, because the mean of its divisors is an integer number (40101035067782).

Almost surely, 2^{120303105203343} is an apocalyptic number.

120303105203343 is a deficient number, since it is larger than the sum of its proper divisors (40101035067785).

120303105203343 is an equidigital number, since it uses as much as digits as its factorization.

120303105203343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40101035067784.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 120303105203343 its reverse (343302501303021), we get a palindrome (463605606506364).

The spelling of 120303105203343 in words is "one hundred twenty trillion, three hundred three billion, one hundred five million, two hundred three thousand, three hundred forty-three".