234507874243117 has 2 divisors, whose sum is σ = 234507874243118. Its totient is φ = 234507874243116.

The previous prime is 234507874243079. The next prime is 234507874243151. The reversal of 234507874243117 is 711342478705432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167499013663881 + 67008860579236 = 12942141^2 + 8185894^2 .

It is a cyclic number.

It is not a de Polignac number, because 234507874243117 - 2³⁹ = 233958118429229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234507874243417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117253937121558 + 117253937121559.

It is an arithmetic number, because the mean of its divisors is an integer number (117253937121559).

Almost surely, 2^{234507874243117} is an apocalyptic number.

It is an amenable number.

234507874243117 is a deficient number, since it is larger than the sum of its proper divisors (1).

234507874243117 is an equidigital number, since it uses as much as digits as its factorization.

234507874243117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31610880, while the sum is 58.

The spelling of 234507874243117 in words is "two hundred thirty-four trillion, five hundred seven billion, eight hundred seventy-four million, two hundred forty-three thousand, one hundred seventeen".