120345341563 has 24 divisors (see below), whose sum is σ = 131398731072. Its totient is φ = 110118795264.

The previous prime is 120345341551. The next prime is 120345341603. The reversal of 120345341563 is 365143543021.

It is not a de Polignac number, because 120345341563 - 2¹³ = 120345333371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (120345341663) 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 23 ways as a sum of consecutive naturals, for example, 16602606 + ... + 16609852.

It is an arithmetic number, because the mean of its divisors is an integer number (5474947128).

Almost surely, 2^120345341563 is an apocalyptic number.

120345341563 is a deficient number, since it is larger than the sum of its proper divisors (11053389509).

120345341563 is a wasteful number, since it uses less digits than its factorization.

120345341563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8854 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 120345341563 its reverse (365143543021), we get a palindrome (485488884584).

The spelling of 120345341563 in words is "one hundred twenty billion, three hundred forty-five million, three hundred forty-one thousand, five hundred sixty-three".