120343203 has 24 divisors (see below), whose sum is σ = 179298288. Its totient is φ = 77723712.

The previous prime is 120343193. The next prime is 120343229. The reversal of 120343203 is 302343021.

120343203 is a `hidden beast` number, since 120 + 343 + 203 = 666.

It is not a de Polignac number, because 120343203 - 2⁸ = 120342947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120343273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93601 + ... + 94877.

It is an arithmetic number, because the mean of its divisors is an integer number (7470762).

Almost surely, 2^120343203 is an apocalyptic number.

120343203 is a deficient number, since it is larger than the sum of its proper divisors (58955085).

120343203 is a wasteful number, since it uses less digits than its factorization.

120343203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 120343203 is about 10970.1049675926. The cubic root of 120343203 is about 493.7121958344.

Adding to 120343203 its reverse (302343021), we get a palindrome (422686224).

The spelling of 120343203 in words is "one hundred twenty million, three hundred forty-three thousand, two hundred three".