123220303 has 16 divisors (see below), whose sum is σ = 128177280. Its totient is φ = 118404000.

The previous prime is 123220289. The next prime is 123220309. The reversal of 123220303 is 303022321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123220303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886408 + ... + 886546.

It is an arithmetic number, because the mean of its divisors is an integer number (8011080).

Almost surely, 2^123220303 is an apocalyptic number.

123220303 is a deficient number, since it is larger than the sum of its proper divisors (4956977).

123220303 is a wasteful number, since it uses less digits than its factorization.

123220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 123220303 is about 11100.4640893973. The cubic root of 123220303 is about 497.6157191485.

Adding to 123220303 its reverse (303022321), we get a palindrome (426242624).

The spelling of 123220303 in words is "one hundred twenty-three million, two hundred twenty thousand, three hundred three".