3220203123 has 24 divisors (see below), whose sum is σ = 4819669920. Its totient is φ = 2069383680.

The previous prime is 3220203109. The next prime is 3220203169. The reversal of 3220203123 is 3213020223.

It is a happy number.

It is not a de Polignac number, because 3220203123 - 2²² = 3216008819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220203096 and 3220203105.

It is not an unprimeable number, because it can be changed into a prime (3220003123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154915 + ... + 174467.

It is an arithmetic number, because the mean of its divisors is an integer number (200819580).

Almost surely, 2^3220203123 is an apocalyptic number.

3220203123 is a deficient number, since it is larger than the sum of its proper divisors (1599466797).

3220203123 is a wasteful number, since it uses less digits than its factorization.

3220203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219 (or 20216 counting only the distinct ones).

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

The square root of 3220203123 is about 56746.8335944835. The cubic root of 3220203123 is about 1476.7073016848.

Adding to 3220203123 its reverse (3213020223), we get a palindrome (6433223346).

The spelling of 3220203123 in words is "three billion, two hundred twenty million, two hundred three thousand, one hundred twenty-three".