203023433243 has 2 divisors, whose sum is σ = 203023433244. Its totient is φ = 203023433242.

The previous prime is 203023433167. The next prime is 203023433269. The reversal of 203023433243 is 342334320302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203023433243 - 2²⁶ = 202956324379 is a prime.

It is not a weakly prime, because it can be changed into another prime (203023433273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101511716621 + 101511716622.

It is an arithmetic number, because the mean of its divisors is an integer number (101511716622).

Almost surely, 2^203023433243 is an apocalyptic number.

203023433243 is a deficient number, since it is larger than the sum of its proper divisors (1).

203023433243 is an equidigital number, since it uses as much as digits as its factorization.

203023433243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 203023433243 its reverse (342334320302), we get a palindrome (545357753545).

The spelling of 203023433243 in words is "two hundred three billion, twenty-three million, four hundred thirty-three thousand, two hundred forty-three".