123038889 has 8 divisors (see below), whose sum is σ = 172686240. Its totient is φ = 77708736.

The previous prime is 123038887. The next prime is 123038893. The reversal of 123038889 is 988830321.

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

It is not a de Polignac number, because 123038889 - 2¹ = 123038887 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123038889.

It is not an unprimeable number, because it can be changed into a prime (123038887) 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, 1079232 + ... + 1079345.

It is an arithmetic number, because the mean of its divisors is an integer number (21585780).

Almost surely, 2^123038889 is an apocalyptic number.

123038889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

123038889 is a deficient number, since it is larger than the sum of its proper divisors (49647351).

123038889 is a wasteful number, since it uses less digits than its factorization.

123038889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158599.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 123038889 is about 11092.2896193707. The cubic root of 123038889 is about 497.3713903730.

The spelling of 123038889 in words is "one hundred twenty-three million, thirty-eight thousand, eight hundred eighty-nine".