889113123 has 12 divisors (see below), whose sum is σ = 1284705240. Its totient is φ = 592543296.

The previous prime is 889113119. The next prime is 889113131. The reversal of 889113123 is 321311988.

It is a Cunningham number, because it is equal to 29818²-1.

It is not a de Polignac number, because 889113123 - 2² = 889113119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889113133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14908 + ... + 44726.

It is an arithmetic number, because the mean of its divisors is an integer number (107058770).

Almost surely, 2^889113123 is an apocalyptic number.

889113123 is a deficient number, since it is larger than the sum of its proper divisors (395592117).

889113123 is a wasteful number, since it uses less digits than its factorization.

889113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33138 (or 33135 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 889113123 is about 29817.9999832316. Note that the first 4 decimals coincide. The cubic root of 889113123 is about 961.5805571283.

The spelling of 889113123 in words is "eight hundred eighty-nine million, one hundred thirteen thousand, one hundred twenty-three".