123084389 has 8 divisors (see below), whose sum is σ = 124188000. Its totient is φ = 121985136.

The previous prime is 123084349. The next prime is 123084421. The reversal of 123084389 is 983480321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123084389 - 2¹⁶ = 123018853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123084329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81362 + ... + 82860.

It is an arithmetic number, because the mean of its divisors is an integer number (15523500).

Almost surely, 2^123084389 is an apocalyptic number.

It is an amenable number.

123084389 is a deficient number, since it is larger than the sum of its proper divisors (1103611).

123084389 is a wasteful number, since it uses less digits than its factorization.

123084389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 123084389 is about 11094.3404040078. The cubic root of 123084389 is about 497.4326924254.

The spelling of 123084389 in words is "one hundred twenty-three million, eighty-four thousand, three hundred eighty-nine".