2123440411 has 4 divisors (see below), whose sum is σ = 2123801424. Its totient is φ = 2123079400.

The previous prime is 2123440393. The next prime is 2123440493. The reversal of 2123440411 is 1140443212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2123440411 - 2⁵ = 2123440379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123443411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171535 + ... + 183496.

It is an arithmetic number, because the mean of its divisors is an integer number (530950356).

Almost surely, 2^2123440411 is an apocalyptic number.

2123440411 is a deficient number, since it is larger than the sum of its proper divisors (361013).

2123440411 is an equidigital number, since it uses as much as digits as its factorization.

2123440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361012.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2123440411 is about 46080.8030637488. The cubic root of 2123440411 is about 1285.3261973737.

Adding to 2123440411 its reverse (1140443212), we get a palindrome (3263883623).

The spelling of 2123440411 in words is "two billion, one hundred twenty-three million, four hundred forty thousand, four hundred eleven".