2123411 has 2 divisors, whose sum is σ = 2123412. Its totient is φ = 2123410.

The previous prime is 2123377. The next prime is 2123423. The reversal of 2123411 is 1143212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123411 - 2¹⁸ = 1861267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2123461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061705 + 1061706.

It is an arithmetic number, because the mean of its divisors is an integer number (1061706).

2^2123411 is an apocalyptic number.

2123411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123411 is an equidigital number, since it uses as much as digits as its factorization.

2123411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 14.

The square root of 2123411 is about 1457.1928492825. The cubic root of 2123411 is about 128.5320263151.

Adding to 2123411 its reverse (1143212), we get a palindrome (3266623).

It can be divided in two parts, 21 and 23411, that added together give a palindrome (23432).

The spelling of 2123411 in words is "two million, one hundred twenty-three thousand, four hundred eleven".