4123243221111 has 96 divisors (see below), whose sum is σ = 7127931441600. Its totient is φ = 2348814827520.

The previous prime is 4123243221103. The next prime is 4123243221143. The reversal of 4123243221111 is 1111223423214.

4123243221111 is a `hidden beast` number, since 4 + 1 + 2 + 3 + 2 + 432 + 211 + 11 = 666.

It is not a de Polignac number, because 4123243221111 - 2³ = 4123243221103 is a prime.

It is a super-2 number, since 2×4123243221111² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123243221211) 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, 1497725911 + ... + 1497728663.

It is an arithmetic number, because the mean of its divisors is an integer number (74249285850).

Almost surely, 2^{4123243221111} is an apocalyptic number.

4123243221111 is a deficient number, since it is larger than the sum of its proper divisors (3004688220489).

4123243221111 is a wasteful number, since it uses less digits than its factorization.

4123243221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5873 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 4123243221111 its reverse (1111223423214), we get a palindrome (5234466644325).

The spelling of 4123243221111 in words is "four trillion, one hundred twenty-three billion, two hundred forty-three million, two hundred twenty-one thousand, one hundred eleven".