123346689 has 16 divisors (see below), whose sum is σ = 174715200. Its totient is φ = 77184576.

The previous prime is 123346681. The next prime is 123346703. The reversal of 123346689 is 986643321.

It is not a de Polignac number, because 123346689 - 2³ = 123346681 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 123346689.

It is not an unprimeable number, because it can be changed into a prime (123346681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3714 + ... + 16139.

It is an arithmetic number, because the mean of its divisors is an integer number (10919700).

Almost surely, 2^123346689 is an apocalyptic number.

123346689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

123346689 is a deficient number, since it is larger than the sum of its proper divisors (51368511).

123346689 is a wasteful number, since it uses less digits than its factorization.

123346689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19984.

The product of its digits is 186624, while the sum is 42.

The square root of 123346689 is about 11106.1554554220. The cubic root of 123346689 is about 497.7857943945.

The spelling of 123346689 in words is "one hundred twenty-three million, three hundred forty-six thousand, six hundred eighty-nine".