243148463 has 2 divisors, whose sum is σ = 243148464. Its totient is φ = 243148462.

The previous prime is 243148447. The next prime is 243148513. The reversal of 243148463 is 364841342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243148463 - 2⁴ = 243148447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243148403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121574231 + 121574232.

It is an arithmetic number, because the mean of its divisors is an integer number (121574232).

Almost surely, 2^243148463 is an apocalyptic number.

243148463 is a deficient number, since it is larger than the sum of its proper divisors (1).

243148463 is an equidigital number, since it uses as much as digits as its factorization.

243148463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The square root of 243148463 is about 15593.2184939479. The cubic root of 243148463 is about 624.1522056048.

The spelling of 243148463 in words is "two hundred forty-three million, one hundred forty-eight thousand, four hundred sixty-three".