263243141342371 has 2 divisors, whose sum is σ = 263243141342372. Its totient is φ = 263243141342370.

The previous prime is 263243141342359. The next prime is 263243141342387. The reversal of 263243141342371 is 173243141342362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263243141342371 - 2⁵ = 263243141342339 is a prime.

It is not a weakly prime, because it can be changed into another prime (263243141342771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131621570671185 + 131621570671186.

It is an arithmetic number, because the mean of its divisors is an integer number (131621570671186).

Almost surely, 2^{263243141342371} is an apocalyptic number.

263243141342371 is a deficient number, since it is larger than the sum of its proper divisors (1).

263243141342371 is an equidigital number, since it uses as much as digits as its factorization.

263243141342371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 46.

Subtracting from 263243141342371 its reverse (173243141342362), we obtain a palindrome (90000000000009).

The spelling of 263243141342371 in words is "two hundred sixty-three trillion, two hundred forty-three billion, one hundred forty-one million, three hundred forty-two thousand, three hundred seventy-one".