234323142723517 has 2 divisors, whose sum is σ = 234323142723518. Its totient is φ = 234323142723516.

The previous prime is 234323142723503. The next prime is 234323142723587. The reversal of 234323142723517 is 715327241323432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146891030659321 + 87432112064196 = 12119861^2 + 9350514^2 .

It is a cyclic number.

It is not a de Polignac number, because 234323142723517 - 2¹⁹ = 234323142199229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234323142723587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117161571361758 + 117161571361759.

It is an arithmetic number, because the mean of its divisors is an integer number (117161571361759).

Almost surely, 2^{234323142723517} is an apocalyptic number.

It is an amenable number.

234323142723517 is a deficient number, since it is larger than the sum of its proper divisors (1).

234323142723517 is an equidigital number, since it uses as much as digits as its factorization.

234323142723517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 49.

The spelling of 234323142723517 in words is "two hundred thirty-four trillion, three hundred twenty-three billion, one hundred forty-two million, seven hundred twenty-three thousand, five hundred seventeen".