4123043444111 has 2 divisors, whose sum is σ = 4123043444112. Its totient is φ = 4123043444110.

The previous prime is 4123043444099. The next prime is 4123043444147. The reversal of 4123043444111 is 1114443403214.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123043444111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123043444161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061521722055 + 2061521722056.

It is an arithmetic number, because the mean of its divisors is an integer number (2061521722056).

Almost surely, 2^{4123043444111} is an apocalyptic number.

4123043444111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123043444111 is an equidigital number, since it uses as much as digits as its factorization.

4123043444111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 4123043444111 its reverse (1114443403214), we get a palindrome (5237486847325).

The spelling of 4123043444111 in words is "four trillion, one hundred twenty-three billion, forty-three million, four hundred forty-four thousand, one hundred eleven".