123123303 has 12 divisors (see below), whose sum is σ = 178540128. Its totient is φ = 81761280.

The previous prime is 123123283. The next prime is 123123307. The reversal of 123123303 is 303321321.

It is not a de Polignac number, because 123123303 - 2¹⁷ = 122992231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123307) 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 11 ways as a sum of consecutive naturals, for example, 24303 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (14878344).

Almost surely, 2^123123303 is an apocalyptic number.

123123303 is a deficient number, since it is larger than the sum of its proper divisors (55416825).

123123303 is a wasteful number, since it uses less digits than its factorization.

123123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53494 (or 53491 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123123303 is about 11096.0940424998. The cubic root of 123123303 is about 497.4851091896.

Adding to 123123303 its reverse (303321321), we get a palindrome (426444624).

The spelling of 123123303 in words is "one hundred twenty-three million, one hundred twenty-three thousand, three hundred three".