2123065450 has 48 divisors (see below), whose sum is σ = 4350659040. Its totient is φ = 764360000.

The previous prime is 2123065387. The next prime is 2123065459. The reversal of 2123065450 is 545603212.

It is not an unprimeable number, because it can be changed into a prime (2123065459) 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 23 ways as a sum of consecutive naturals, for example, 36441 + ... + 74659.

It is an arithmetic number, because the mean of its divisors is an integer number (90638730).

Almost surely, 2^2123065450 is an apocalyptic number.

2123065450 is an abundant number, since it is smaller than the sum of its proper divisors (2227593590).

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

2123065450 is a wasteful number, since it uses less digits than its factorization.

2123065450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38343 (or 38338 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2123065450 is about 46076.7343677913. The cubic root of 2123065450 is about 1285.2505378348.

Adding to 2123065450 its reverse (545603212), we get a palindrome (2668668662).

The spelling of 2123065450 in words is "two billion, one hundred twenty-three million, sixty-five thousand, four hundred fifty".