123385016 has 8 divisors (see below), whose sum is σ = 231346920. Its totient is φ = 61692504.

The previous prime is 123385001. The next prime is 123385019. The reversal of 123385016 is 610583321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 123385016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123385019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711556 + ... + 7711571.

It is an arithmetic number, because the mean of its divisors is an integer number (28918365).

Almost surely, 2^123385016 is an apocalyptic number.

It is an amenable number.

123385016 is a deficient number, since it is larger than the sum of its proper divisors (107961904).

123385016 is a wasteful number, since it uses less digits than its factorization.

123385016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15423133 (or 15423129 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 123385016 is about 11107.8808059864. The cubic root of 123385016 is about 497.8373473536.

The spelling of 123385016 in words is "one hundred twenty-three million, three hundred eighty-five thousand, sixteen".