43112400203 has 2 divisors, whose sum is σ = 43112400204. Its totient is φ = 43112400202.

The previous prime is 43112400193. The next prime is 43112400223. The reversal of 43112400203 is 30200421134.

It is an a-pointer prime, because the next prime (43112400223) can be obtained adding 43112400203 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43112400203 - 2⁶ = 43112400139 is a prime.

It is not a weakly prime, because it can be changed into another prime (43112400223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556200101 + 21556200102.

It is an arithmetic number, because the mean of its divisors is an integer number (21556200102).

Almost surely, 2^43112400203 is an apocalyptic number.

43112400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

43112400203 is an equidigital number, since it uses as much as digits as its factorization.

43112400203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43112400203 its reverse (30200421134), we get a palindrome (73312821337).

The spelling of 43112400203 in words is "forty-three billion, one hundred twelve million, four hundred thousand, two hundred three".