243113451263 has 2 divisors, whose sum is σ = 243113451264. Its totient is φ = 243113451262.

The previous prime is 243113451169. The next prime is 243113451359. The reversal of 243113451263 is 362154311342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243113451263 - 2¹⁶ = 243113385727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243113451463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556725631 + 121556725632.

It is an arithmetic number, because the mean of its divisors is an integer number (121556725632).

Almost surely, 2^243113451263 is an apocalyptic number.

243113451263 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113451263 is an equidigital number, since it uses as much as digits as its factorization.

243113451263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The spelling of 243113451263 in words is "two hundred forty-three billion, one hundred thirteen million, four hundred fifty-one thousand, two hundred sixty-three".