120323403 has 12 divisors (see below), whose sum is σ = 174807360. Its totient is φ = 79750896.

The previous prime is 120323353. The next prime is 120323471. The reversal of 120323403 is 304323021.

It is a de Polignac number, because none of the positive numbers 2^k-120323403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120323003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37083 + ... + 40196.

It is an arithmetic number, because the mean of its divisors is an integer number (14567280).

Almost surely, 2^120323403 is an apocalyptic number.

120323403 is a deficient number, since it is larger than the sum of its proper divisors (54483957).

120323403 is a wasteful number, since it uses less digits than its factorization.

120323403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77458 (or 77455 counting only the distinct ones).

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

The square root of 120323403 is about 10969.2024778468. The cubic root of 120323403 is about 493.6851176187.

Adding to 120323403 its reverse (304323021), we get a palindrome (424646424).

The spelling of 120323403 in words is "one hundred twenty million, three hundred twenty-three thousand, four hundred three".