135467783518723 has 2 divisors, whose sum is σ = 135467783518724. Its totient is φ = 135467783518722.

The previous prime is 135467783518633. The next prime is 135467783518759. The reversal of 135467783518723 is 327815387764531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135467783518723 is a prime.

It is not a weakly prime, because it can be changed into another prime (135467783518423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67733891759361 + 67733891759362.

It is an arithmetic number, because the mean of its divisors is an integer number (67733891759362).

Almost surely, 2^{135467783518723} is an apocalyptic number.

135467783518723 is a deficient number, since it is larger than the sum of its proper divisors (1).

135467783518723 is an equidigital number, since it uses as much as digits as its factorization.

135467783518723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 711244800, while the sum is 70.

The spelling of 135467783518723 in words is "one hundred thirty-five trillion, four hundred sixty-seven billion, seven hundred eighty-three million, five hundred eighteen thousand, seven hundred twenty-three".