2106223673 has 2 divisors, whose sum is σ = 2106223674. Its totient is φ = 2106223672.

The previous prime is 2106223583. The next prime is 2106223681. The reversal of 2106223673 is 3763226012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315657984 + 790565689 = 36272^2 + 28117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106223673 - 2¹⁶ = 2106158137 is a prime.

It is a super-2 number, since 2×2106223673² = 8872356321411221858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2106223373) 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 as a sum of consecutive naturals, namely, 1053111836 + 1053111837.

It is an arithmetic number, because the mean of its divisors is an integer number (1053111837).

Almost surely, 2^2106223673 is an apocalyptic number.

It is an amenable number.

2106223673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106223673 is an equidigital number, since it uses as much as digits as its factorization.

2106223673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 2106223673 is about 45893.6125512037. The cubic root of 2106223673 is about 1281.8429817437.

Adding to 2106223673 its reverse (3763226012), we get a palindrome (5869449685).

The spelling of 2106223673 in words is "two billion, one hundred six million, two hundred twenty-three thousand, six hundred seventy-three".