43424203 has 2 divisors, whose sum is σ = 43424204. Its totient is φ = 43424202.

The previous prime is 43424201. The next prime is 43424219. The reversal of 43424203 is 30242434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43424203 - 2¹ = 43424201 is a prime.

It is a super-2 number, since 2×43424203² = 3771322812370418, which contains 22 as substring.

Together with 43424201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43424201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712101 + 21712102.

It is an arithmetic number, because the mean of its divisors is an integer number (21712102).

Almost surely, 2^43424203 is an apocalyptic number.

43424203 is a deficient number, since it is larger than the sum of its proper divisors (1).

43424203 is an equidigital number, since it uses as much as digits as its factorization.

43424203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 43424203 is about 6589.7043181011. The cubic root of 43424203 is about 351.4880940399.

Adding to 43424203 its reverse (30242434), we get a palindrome (73666637).

The spelling of 43424203 in words is "forty-three million, four hundred twenty-four thousand, two hundred three".