2123304111 has 24 divisors (see below), whose sum is σ = 3283198464. Its totient is φ = 1369868760.

The previous prime is 2123304103. The next prime is 2123304119. The reversal of 2123304111 is 1114033212.

2123304111 is a `hidden beast` number, since 21 + 233 + 0 + 411 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2123304103) and next prime (2123304119).

It is not a de Polignac number, because 2123304111 - 2³ = 2123304103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123304119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133401 + ... + 148466.

It is an arithmetic number, because the mean of its divisors is an integer number (136799936).

Almost surely, 2^2123304111 is an apocalyptic number.

2123304111 is a deficient number, since it is larger than the sum of its proper divisors (1159894353).

2123304111 is an equidigital number, since it uses as much as digits as its factorization.

2123304111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281913 (or 281901 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2123304111 is about 46079.3241161369. The cubic root of 2123304111 is about 1285.2986958235.

Adding to 2123304111 its reverse (1114033212), we get a palindrome (3237337323).

The spelling of 2123304111 in words is "two billion, one hundred twenty-three million, three hundred four thousand, one hundred eleven".