2123553411 has 96 divisors (see below), whose sum is σ = 3796582400. Its totient is φ = 1116944640.

The previous prime is 2123553353. The next prime is 2123553431. The reversal of 2123553411 is 1143553212.

2123553411 is a `hidden beast` number, since 2 + 123 + 5 + 534 + 1 + 1 = 666.

It is not a de Polignac number, because 2123553411 - 2²⁷ = 1989335683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123553431) 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 95 ways as a sum of consecutive naturals, for example, 9273045 + ... + 9273273.

Almost surely, 2^2123553411 is an apocalyptic number.

2123553411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2123553411 is a deficient number, since it is larger than the sum of its proper divisors (1673028989).

2123553411 is a wasteful number, since it uses less digits than its factorization.

2123553411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2123553411 is about 46082.0291545414. The cubic root of 2123553411 is about 1285.3489967395.

The spelling of 2123553411 in words is "two billion, one hundred twenty-three million, five hundred fifty-three thousand, four hundred eleven".