263325523363 has 4 divisors (see below), whose sum is σ = 300943455280. Its totient is φ = 225707591448.

The previous prime is 263325523319. The next prime is 263325523379. The reversal of 263325523363 is 363325523362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263325523363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263325521363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18808965948 + ... + 18808965961.

It is an arithmetic number, because the mean of its divisors is an integer number (75235863820).

Almost surely, 2^263325523363 is an apocalyptic number.

263325523363 is a deficient number, since it is larger than the sum of its proper divisors (37617931917).

263325523363 is an equidigital number, since it uses as much as digits as its factorization.

263325523363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37617931916.

The product of its digits is 1749600, while the sum is 43.

Subtracting 263325523363 from its reverse (363325523362), we obtain a palindrome (99999999999).

The spelling of 263325523363 in words is "two hundred sixty-three billion, three hundred twenty-five million, five hundred twenty-three thousand, three hundred sixty-three".