4000424143 has 2 divisors, whose sum is σ = 4000424144. Its totient is φ = 4000424142.

The previous prime is 4000424101. The next prime is 4000424149. The reversal of 4000424143 is 3414240004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000424143 - 2⁹ = 4000423631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000424149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000212071 + 2000212072.

It is an arithmetic number, because the mean of its divisors is an integer number (2000212072).

Almost surely, 2^4000424143 is an apocalyptic number.

4000424143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000424143 is an equidigital number, since it uses as much as digits as its factorization.

4000424143 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 22.

The square root of 4000424143 is about 63248.9062593180. The cubic root of 4000424143 is about 1587.4571570722.

Adding to 4000424143 its reverse (3414240004), we get a palindrome (7414664147).

The spelling of 4000424143 in words is "four billion, four hundred twenty-four thousand, one hundred forty-three".