2120303223 has 20 divisors (see below), whose sum is σ = 3353684400. Its totient is φ = 1330385472.

The previous prime is 2120303221. The next prime is 2120303243. The reversal of 2120303223 is 3223030212.

It is a happy number.

It is not a de Polignac number, because 2120303223 - 2¹ = 2120303221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120303196 and 2120303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120303221) 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 19 ways as a sum of consecutive naturals, for example, 768523 + ... + 771276.

It is an arithmetic number, because the mean of its divisors is an integer number (167684220).

Almost surely, 2^2120303223 is an apocalyptic number.

2120303223 is a deficient number, since it is larger than the sum of its proper divisors (1233381177).

2120303223 is a wasteful number, since it uses less digits than its factorization.

2120303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539828 (or 1539819 counting only the distinct ones).

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

The square root of 2120303223 is about 46046.7504065162. The cubic root of 2120303223 is about 1284.6929016268.

Adding to 2120303223 its reverse (3223030212), we get a palindrome (5343333435).

The spelling of 2120303223 in words is "two billion, one hundred twenty million, three hundred three thousand, two hundred twenty-three".