203203000043 has 2 divisors, whose sum is σ = 203203000044. Its totient is φ = 203203000042.

The previous prime is 203202999983. The next prime is 203203000073. The reversal of 203203000043 is 340000302302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203203000043 - 2¹⁶ = 203202934507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203202999985 and 203203000030.

It is not a weakly prime, because it can be changed into another prime (203203000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601500021 + 101601500022.

It is an arithmetic number, because the mean of its divisors is an integer number (101601500022).

Almost surely, 2^203203000043 is an apocalyptic number.

203203000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

203203000043 is an equidigital number, since it uses as much as digits as its factorization.

203203000043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 203203000043 its reverse (340000302302), we get a palindrome (543203302345).

The spelling of 203203000043 in words is "two hundred three billion, two hundred three million, forty-three", and thus it is an aban number.