123235115354 has 24 divisors (see below), whose sum is σ = 200477565792. Its totient is φ = 56789188560.

The previous prime is 123235115347. The next prime is 123235115359. The reversal of 123235115354 is 453511532321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123235115359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66182 + ... + 500849.

It is an arithmetic number, because the mean of its divisors is an integer number (8353231908).

Almost surely, 2^123235115354 is an apocalyptic number.

123235115354 is a deficient number, since it is larger than the sum of its proper divisors (77242450438).

123235115354 is a wasteful number, since it uses less digits than its factorization.

123235115354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567702 (or 567689 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

Adding to 123235115354 its reverse (453511532321), we get a palindrome (576746647675).

The spelling of 123235115354 in words is "one hundred twenty-three billion, two hundred thirty-five million, one hundred fifteen thousand, three hundred fifty-four".