120403323 has 24 divisors (see below), whose sum is σ = 184321280. Its totient is φ = 75524400.

The previous prime is 120403319. The next prime is 120403357. The reversal of 120403323 is 323304021.

It is not a de Polignac number, because 120403323 - 2² = 120403319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120403296 and 120403305.

It is not an unprimeable number, because it can be changed into a prime (120403303) 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, 23490 + ... + 28152.

Almost surely, 2^120403323 is an apocalyptic number.

120403323 is a deficient number, since it is larger than the sum of its proper divisors (63917957).

120403323 is a wasteful number, since it uses less digits than its factorization.

120403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4836 counting only the distinct ones).

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

The square root of 120403323 is about 10972.8447997773. The cubic root of 120403323 is about 493.7943969478.

Adding to 120403323 its reverse (323304021), we get a palindrome (443707344).

The spelling of 120403323 in words is "one hundred twenty million, four hundred three thousand, three hundred twenty-three".