123789386 has 32 divisors (see below), whose sum is σ = 223564800. Its totient is φ = 51332400.

The previous prime is 123789377. The next prime is 123789431. The reversal of 123789386 is 683987321.

It is a super-3 number, since 3×123789386³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123789386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18356 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (6986400).

Almost surely, 2^123789386 is an apocalyptic number.

123789386 is a deficient number, since it is larger than the sum of its proper divisors (99775414).

123789386 is an equidigital number, since it uses as much as digits as its factorization.

123789386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875 (or 5861 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 123789386 is about 11126.0678588619. The cubic root of 123789386 is about 498.3806088066.

The spelling of 123789386 in words is "one hundred twenty-three million, seven hundred eighty-nine thousand, three hundred eighty-six".