2123223210 has 48 divisors (see below), whose sum is σ = 5810931360. Its totient is φ = 536392800.

The previous prime is 2123223199. The next prime is 2123223257. The reversal of 2123223210 is 123223212.

2123223210 is a `hidden beast` number, since 21 + 2 + 322 + 321 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 619116 + ... + 622535.

It is an arithmetic number, because the mean of its divisors is an integer number (121061070).

Almost surely, 2^2123223210 is an apocalyptic number.

2123223210 is an abundant number, since it is smaller than the sum of its proper divisors (3687708150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123223210 is a wasteful number, since it uses less digits than its factorization.

2123223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241683 (or 1241680 counting only the distinct ones).

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

The square root of 2123223210 is about 46078.4462628678. The cubic root of 2123223210 is about 1285.2823716945.

Adding to 2123223210 its reverse (123223212), we get a palindrome (2246446422).

The spelling of 2123223210 in words is "two billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred ten".