2123443210 has 32 divisors (see below), whose sum is σ = 4369852800. Its totient is φ = 727766592.

The previous prime is 2123443193. The next prime is 2123443219. The reversal of 2123443210 is 123443212.

It is a super-2 number, since 2×2123443210² = 9018022132190208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123443219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304341 + ... + 311239.

It is an arithmetic number, because the mean of its divisors is an integer number (136557900).

Almost surely, 2^2123443210 is an apocalyptic number.

2123443210 is an abundant number, since it is smaller than the sum of its proper divisors (2246409590).

2123443210 is a wasteful number, since it uses less digits than its factorization.

2123443210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2123443210 is about 46080.8334343032. The cubic root of 2123443210 is about 1285.3267621217.

Adding to 2123443210 its reverse (123443212), we get a palindrome (2246886422).

The spelling of 2123443210 in words is "two billion, one hundred twenty-three million, four hundred forty-three thousand, two hundred ten".