2123533005 has 64 divisors (see below), whose sum is σ = 3949102080. Its totient is φ = 963532800.

The previous prime is 2123533001. The next prime is 2123533039. The reversal of 2123533005 is 5003353212.

It is a happy number.

It is not a de Polignac number, because 2123533005 - 2² = 2123533001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123533001) 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 63 ways as a sum of consecutive naturals, for example, 256125 + ... + 264285.

It is an arithmetic number, because the mean of its divisors is an integer number (61704720).

Almost surely, 2^2123533005 is an apocalyptic number.

It is an amenable number.

2123533005 is a deficient number, since it is larger than the sum of its proper divisors (1825569075).

2123533005 is a wasteful number, since it uses less digits than its factorization.

2123533005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2123533005 is about 46081.8077444885. The cubic root of 2123533005 is about 1285.3448795970.

Adding to 2123533005 its reverse (5003353212), we get a palindrome (7126886217).

The spelling of 2123533005 in words is "two billion, one hundred twenty-three million, five hundred thirty-three thousand, five".