1323112986 has 48 divisors (see below), whose sum is σ = 3097176264. Its totient is φ = 405804672.

The previous prime is 1323112979. The next prime is 1323113003. The reversal of 1323112986 is 6892113231.

It can be written as a sum of positive squares in 4 ways, for example, as 819963225 + 503149761 = 28635^2 + 22431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1323112986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65260 + ... + 83096.

Almost surely, 2^1323112986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323112986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548588132).

1323112986 is an abundant number, since it is smaller than the sum of its proper divisors (1774063278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323112986 is a wasteful number, since it uses less digits than its factorization.

1323112986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175 (or 18172 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1323112986 is about 36374.6200804902. The cubic root of 1323112986 is about 1097.8229630859.

The spelling of 1323112986 in words is "one billion, three hundred twenty-three million, one hundred twelve thousand, nine hundred eighty-six".