123303223 has 4 divisors (see below), whose sum is σ = 124788888. Its totient is φ = 121817560.

The previous prime is 123303221. The next prime is 123303233. The reversal of 123303223 is 322303321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123303223 - 2¹ = 123303221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123303223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303221) 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 3 ways as a sum of consecutive naturals, for example, 742708 + ... + 742873.

It is an arithmetic number, because the mean of its divisors is an integer number (31197222).

Almost surely, 2^123303223 is an apocalyptic number.

123303223 is a deficient number, since it is larger than the sum of its proper divisors (1485665).

123303223 is an equidigital number, since it uses as much as digits as its factorization.

123303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485664.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 123303223 is about 11104.1984402297. The cubic root of 123303223 is about 497.7273161343.

Adding to 123303223 its reverse (322303321), we get a palindrome (445606544).

The spelling of 123303223 in words is "one hundred twenty-three million, three hundred three thousand, two hundred twenty-three".