889123313 has 4 divisors (see below), whose sum is σ = 957517428. Its totient is φ = 820729200.

The previous prime is 889123289. The next prime is 889123321. The reversal of 889123313 is 313321988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 555403489 + 333719824 = 23567^2 + 18268^2 .

It is a cyclic number.

It is not a de Polignac number, because 889123313 - 2⁸ = 889123057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889123343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34197038 + ... + 34197063.

It is an arithmetic number, because the mean of its divisors is an integer number (239379357).

Almost surely, 2^889123313 is an apocalyptic number.

It is an amenable number.

889123313 is a deficient number, since it is larger than the sum of its proper divisors (68394115).

889123313 is a wasteful number, since it uses less digits than its factorization.

889123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68394114.

The product of its digits is 31104, while the sum is 38.

The square root of 889123313 is about 29818.1708526865. The cubic root of 889123313 is about 961.5842306273.

The spelling of 889123313 in words is "eight hundred eighty-nine million, one hundred twenty-three thousand, three hundred thirteen".