203203013240047 has 2 divisors, whose sum is σ = 203203013240048. Its totient is φ = 203203013240046.

The previous prime is 203203013239969. The next prime is 203203013240093. The reversal of 203203013240047 is 740042310302302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203203013240047 - 2³⁹ = 202653257426159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203203013240347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601506620023 + 101601506620024.

It is an arithmetic number, because the mean of its divisors is an integer number (101601506620024).

Almost surely, 2^{203203013240047} is an apocalyptic number.

203203013240047 is a deficient number, since it is larger than the sum of its proper divisors (1).

203203013240047 is an equidigital number, since it uses as much as digits as its factorization.

203203013240047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 203203013240047 its reverse (740042310302302), we get a palindrome (943245323542349).

The spelling of 203203013240047 in words is "two hundred three trillion, two hundred three billion, thirteen million, two hundred forty thousand, forty-seven".