4023424121 has 2 divisors, whose sum is σ = 4023424122. Its totient is φ = 4023424120.

The previous prime is 4023424073. The next prime is 4023424147. The reversal of 4023424121 is 1214243204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939445225 + 83978896 = 62765^2 + 9164^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023424121 - 2⁶ = 4023424057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4023423121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011712060 + 2011712061.

It is an arithmetic number, because the mean of its divisors is an integer number (2011712061).

Almost surely, 2^4023424121 is an apocalyptic number.

It is an amenable number.

4023424121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023424121 is an equidigital number, since it uses as much as digits as its factorization.

4023424121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4023424121 is about 63430.4668199754. The cubic root of 4023424121 is about 1590.4936458864.

Adding to 4023424121 its reverse (1214243204), we get a palindrome (5237667325).

The spelling of 4023424121 in words is "four billion, twenty-three million, four hundred twenty-four thousand, one hundred twenty-one".