120323603 has 8 divisors (see below), whose sum is σ = 132941088. Its totient is φ = 108321664.

The previous prime is 120323591. The next prime is 120323611. The reversal of 120323603 is 306323021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120323603 - 2⁴ = 120323587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120323653) 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 7 ways as a sum of consecutive naturals, for example, 153476 + ... + 154257.

It is an arithmetic number, because the mean of its divisors is an integer number (16617636).

Almost surely, 2^120323603 is an apocalyptic number.

120323603 is a deficient number, since it is larger than the sum of its proper divisors (12617485).

120323603 is a wasteful number, since it uses less digits than its factorization.

120323603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307773.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 120323603 is about 10969.2115942760. The cubic root of 120323603 is about 493.6853911508.

Adding to 120323603 its reverse (306323021), we get a palindrome (426646624).

The spelling of 120323603 in words is "one hundred twenty million, three hundred twenty-three thousand, six hundred three".