123235115359 has 2 divisors, whose sum is σ = 123235115360. Its totient is φ = 123235115358.

The previous prime is 123235115347. The next prime is 123235115383. The reversal of 123235115359 is 953511532321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123235115359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123235215359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61617557679 + 61617557680.

It is an arithmetic number, because the mean of its divisors is an integer number (61617557680).

Almost surely, 2^123235115359 is an apocalyptic number.

123235115359 is a deficient number, since it is larger than the sum of its proper divisors (1).

123235115359 is an equidigital number, since it uses as much as digits as its factorization.

123235115359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 40.

The spelling of 123235115359 in words is "one hundred twenty-three billion, two hundred thirty-five million, one hundred fifteen thousand, three hundred fifty-nine".