889797123 has 16 divisors (see below), whose sum is σ = 1360742400. Its totient is φ = 574062120.

The previous prime is 889797109. The next prime is 889797137. The reversal of 889797123 is 321797988.

It is an interprime number because it is at equal distance from previous prime (889797109) and next prime (889797137).

It is not a de Polignac number, because 889797123 - 2⁴ = 889797107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889797123.

It is not an unprimeable number, because it can be changed into a prime (889797023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530703 + ... + 532376.

It is an arithmetic number, because the mean of its divisors is an integer number (85046400).

Almost surely, 2^889797123 is an apocalyptic number.

889797123 is a deficient number, since it is larger than the sum of its proper divisors (470945277).

889797123 is a wasteful number, since it uses less digits than its factorization.

889797123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063119 (or 1063113 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 889797123 is about 29829.4673603134. The cubic root of 889797123 is about 961.8270771317.

The spelling of 889797123 in words is "eight hundred eighty-nine million, seven hundred ninety-seven thousand, one hundred twenty-three".