203315523263 has 2 divisors, whose sum is σ = 203315523264. Its totient is φ = 203315523262.

The previous prime is 203315523253. The next prime is 203315523287. The reversal of 203315523263 is 362325513302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203315523263 - 2⁶ = 203315523199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203315523223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101657761631 + 101657761632.

It is an arithmetic number, because the mean of its divisors is an integer number (101657761632).

Almost surely, 2^203315523263 is an apocalyptic number.

203315523263 is a deficient number, since it is larger than the sum of its proper divisors (1).

203315523263 is an equidigital number, since it uses as much as digits as its factorization.

203315523263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 203315523263 in words is "two hundred three billion, three hundred fifteen million, five hundred twenty-three thousand, two hundred sixty-three".