2123343210 has 64 divisors (see below), whose sum is σ = 5349722112. Its totient is φ = 538334016.

The previous prime is 2123343193. The next prime is 2123343239. The reversal of 2123343210 is 123433212.

It is a super-3 number, since 3×2123343210³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106017 + ... + 124443.

It is an arithmetic number, because the mean of its divisors is an integer number (83589408).

Almost surely, 2^2123343210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123343210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674861056).

2123343210 is an abundant number, since it is smaller than the sum of its proper divisors (3226378902).

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

2123343210 is a wasteful number, since it uses less digits than its factorization.

2123343210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2123343210 is about 46079.7483717088. The cubic root of 2123343210 is about 1285.3065850349.

Adding to 2123343210 its reverse (123433212), we get a palindrome (2246776422).

The spelling of 2123343210 in words is "two billion, one hundred twenty-three million, three hundred forty-three thousand, two hundred ten".