263633426325323 has 4 divisors (see below), whose sum is σ = 269242648162080. Its totient is φ = 258024204488568.

The previous prime is 263633426325301. The next prime is 263633426325383. The reversal of 263633426325323 is 323523624336362.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 263633426325323 - 2⁶ = 263633426325259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263633426325383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804610918308 + ... + 2804610918401.

It is an arithmetic number, because the mean of its divisors is an integer number (67310662040520).

Almost surely, 2^{263633426325323} is an apocalyptic number.

263633426325323 is a deficient number, since it is larger than the sum of its proper divisors (5609221836757).

263633426325323 is an equidigital number, since it uses as much as digits as its factorization.

263633426325323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609221836756.

The product of its digits is 50388480, while the sum is 53.

The spelling of 263633426325323 in words is "two hundred sixty-three trillion, six hundred thirty-three billion, four hundred twenty-six million, three hundred twenty-five thousand, three hundred twenty-three".