4066012123 has 2 divisors, whose sum is σ = 4066012124. Its totient is φ = 4066012122.

The previous prime is 4066012121. The next prime is 4066012127. The reversal of 4066012123 is 3212106604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4066012123 - 2¹ = 4066012121 is a prime.

Together with 4066012121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4066012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033006061 + 2033006062.

It is an arithmetic number, because the mean of its divisors is an integer number (2033006062).

Almost surely, 2^4066012123 is an apocalyptic number.

4066012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066012123 is an equidigital number, since it uses as much as digits as its factorization.

4066012123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4066012123 is about 63765.2893273449. The cubic root of 4066012123 is about 1596.0857605302.

Adding to 4066012123 its reverse (3212106604), we get a palindrome (7278118727).

The spelling of 4066012123 in words is "four billion, sixty-six million, twelve thousand, one hundred twenty-three".