243234525827 has 2 divisors, whose sum is σ = 243234525828. Its totient is φ = 243234525826.

The previous prime is 243234525773. The next prime is 243234525839. The reversal of 243234525827 is 728525432342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243234525827 - 2²² = 243230331523 is a prime.

It is not a weakly prime, because it can be changed into another prime (243234525857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121617262913 + 121617262914.

It is an arithmetic number, because the mean of its divisors is an integer number (121617262914).

Almost surely, 2^243234525827 is an apocalyptic number.

243234525827 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234525827 is an equidigital number, since it uses as much as digits as its factorization.

243234525827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 47.

The spelling of 243234525827 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred twenty-five thousand, eight hundred twenty-seven".