4023143422121 has 2 divisors, whose sum is σ = 4023143422122. Its totient is φ = 4023143422120.

The previous prime is 4023143422097. The next prime is 4023143422153. The reversal of 4023143422121 is 1212243413204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3928082199721 + 95061222400 = 1981939^2 + 308320^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023143422121 - 2¹⁴ = 4023143405737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4023143422621) 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 as a sum of consecutive naturals, namely, 2011571711060 + 2011571711061.

It is an arithmetic number, because the mean of its divisors is an integer number (2011571711061).

Almost surely, 2^{4023143422121} is an apocalyptic number.

It is an amenable number.

4023143422121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023143422121 is an equidigital number, since it uses as much as digits as its factorization.

4023143422121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4023143422121 its reverse (1212243413204), we get a palindrome (5235386835325).

The spelling of 4023143422121 in words is "four trillion, twenty-three billion, one hundred forty-three million, four hundred twenty-two thousand, one hundred twenty-one".