120345341603 has 2 divisors, whose sum is σ = 120345341604. Its totient is φ = 120345341602.

The previous prime is 120345341551. The next prime is 120345341617. The reversal of 120345341603 is 306143543021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120345341603 - 2¹⁰ = 120345340579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120345341603.

It is not a weakly prime, because it can be changed into another prime (120345341663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60172670801 + 60172670802.

It is an arithmetic number, because the mean of its divisors is an integer number (60172670802).

Almost surely, 2^120345341603 is an apocalyptic number.

120345341603 is a deficient number, since it is larger than the sum of its proper divisors (1).

120345341603 is an equidigital number, since it uses as much as digits as its factorization.

120345341603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 120345341603 its reverse (306143543021), we get a palindrome (426488884624).

The spelling of 120345341603 in words is "one hundred twenty billion, three hundred forty-five million, three hundred forty-one thousand, six hundred three".