2123543610 has 96 divisors (see below), whose sum is σ = 5881704192. Its totient is φ = 529712640.

The previous prime is 2123543603. The next prime is 2123543623. The reversal of 2123543610 is 163453212.

2123543610 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 5 + 43 + 610 = 666.

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 47 ways as a sum of consecutive naturals, for example, 251355 + ... + 259665.

It is an arithmetic number, because the mean of its divisors is an integer number (61267752).

Almost surely, 2^2123543610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123543610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940852096).

2123543610 is an abundant number, since it is smaller than the sum of its proper divisors (3758160582).

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

2123543610 is a wasteful number, since it uses less digits than its factorization.

2123543610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2123543610 is about 46081.9228114453. The cubic root of 2123543610 is about 1285.3470192796.

Adding to 2123543610 its reverse (163453212), we get a palindrome (2286996822).

The spelling of 2123543610 in words is "two billion, one hundred twenty-three million, five hundred forty-three thousand, six hundred ten".