123354665075 has 24 divisors (see below), whose sum is σ = 154409164800. Its totient is φ = 97749192960.

The previous prime is 123354665041. The next prime is 123354665081. The reversal of 123354665075 is 570566453321.

It is not a de Polignac number, because 123354665075 - 2⁸ = 123354664819 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16735991 + ... + 16743359.

It is an arithmetic number, because the mean of its divisors is an integer number (6433715200).

Almost surely, 2^123354665075 is an apocalyptic number.

123354665075 is a deficient number, since it is larger than the sum of its proper divisors (31054499725).

123354665075 is a wasteful number, since it uses less digits than its factorization.

123354665075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 123354665075 in words is "one hundred twenty-three billion, three hundred fifty-four million, six hundred sixty-five thousand, seventy-five".