4200043 has 2 divisors, whose sum is σ = 4200044. Its totient is φ = 4200042.

The previous prime is 4200023. The next prime is 4200047. The reversal of 4200043 is 3400024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4200043 is a prime.

It is a super-2 number, since 2×4200043² = 35280722403698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4199996 and 4200032.

It is not a weakly prime, because it can be changed into another prime (4200047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100021 + 2100022.

It is an arithmetic number, because the mean of its divisors is an integer number (2100022).

Almost surely, 2^4200043 is an apocalyptic number.

4200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200043 is an equidigital number, since it uses as much as digits as its factorization.

4200043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4200043 is about 2049.4006440909. The cubic root of 4200043 is about 161.3434152151.

Adding to 4200043 its reverse (3400024), we get a palindrome (7600067).

The spelling of 4200043 in words is "four million, two hundred thousand, forty-three".