113043404340263 has 2 divisors, whose sum is σ = 113043404340264. Its totient is φ = 113043404340262.

The previous prime is 113043404340169. The next prime is 113043404340329. The reversal of 113043404340263 is 362043404340311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113043404340263 - 2¹⁴ = 113043404323879 is a prime.

It is a super-3 number, since 3×113043404340263³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113043404340563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56521702170131 + 56521702170132.

It is an arithmetic number, because the mean of its divisors is an integer number (56521702170132).

Almost surely, 2^{113043404340263} is an apocalyptic number.

113043404340263 is a deficient number, since it is larger than the sum of its proper divisors (1).

113043404340263 is an equidigital number, since it uses as much as digits as its factorization.

113043404340263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 113043404340263 its reverse (362043404340311), we get a palindrome (475086808680574).

The spelling of 113043404340263 in words is "one hundred thirteen trillion, forty-three billion, four hundred four million, three hundred forty thousand, two hundred sixty-three".