2102321223 has 20 divisors (see below), whose sum is σ = 3142549080. Its totient is φ = 1400635152.

The previous prime is 2102321191. The next prime is 2102321227. The reversal of 2102321223 is 3221232012.

2102321223 is a `hidden beast` number, since 210 + 232 + 1 + 223 = 666.

It is not a de Polignac number, because 2102321223 - 2⁵ = 2102321191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102321196 and 2102321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102321227) 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, 130836 + ... + 146022.

It is an arithmetic number, because the mean of its divisors is an integer number (157127454).

Almost surely, 2^2102321223 is an apocalyptic number.

2102321223 is a deficient number, since it is larger than the sum of its proper divisors (1040227857).

2102321223 is a wasteful number, since it uses less digits than its factorization.

2102321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16908 (or 16899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2102321223 is about 45851.0765740566. The cubic root of 2102321223 is about 1281.0508182046.

Adding to 2102321223 its reverse (3221232012), we get a palindrome (5323553235).

The spelling of 2102321223 in words is "two billion, one hundred two million, three hundred twenty-one thousand, two hundred twenty-three".