3123020223 has 12 divisors (see below), whose sum is σ = 4511980200. Its totient is φ = 2081574576.

The previous prime is 3123020191. The next prime is 3123020269. The reversal of 3123020223 is 3220203213.

It is a happy number.

It is not a de Polignac number, because 3123020223 - 2⁵ = 3123020191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123020196 and 3123020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123020023) 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, 11865 + ... + 79917.

It is an arithmetic number, because the mean of its divisors is an integer number (375998350).

Almost surely, 2^3123020223 is an apocalyptic number.

3123020223 is a deficient number, since it is larger than the sum of its proper divisors (1388959977).

3123020223 is a wasteful number, since it uses less digits than its factorization.

3123020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73158 (or 73155 counting only the distinct ones).

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

The square root of 3123020223 is about 55883.9889682188. The cubic root of 3123020223 is about 1461.7000623878.

Adding to 3123020223 its reverse (3220203213), we get a palindrome (6343223436).

The spelling of 3123020223 in words is "three billion, one hundred twenty-three million, twenty thousand, two hundred twenty-three".