263352313403 has 4 divisors (see below), whose sum is σ = 263353529400. Its totient is φ = 263351097408.

The previous prime is 263352313339. The next prime is 263352313429. The reversal of 263352313403 is 304313253362.

263352313403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 263352313403 - 2⁶ = 263352313339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263352313703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185078 + ... + 748971.

It is an arithmetic number, because the mean of its divisors is an integer number (65838382350).

Almost surely, 2^263352313403 is an apocalyptic number.

263352313403 is a deficient number, since it is larger than the sum of its proper divisors (1215997).

263352313403 is an equidigital number, since it uses as much as digits as its factorization.

263352313403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215996.

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 263352313403 its reverse (304313253362), we get a palindrome (567665566765).

The spelling of 263352313403 in words is "two hundred sixty-three billion, three hundred fifty-two million, three hundred thirteen thousand, four hundred three".