1123345668889 has 8 divisors (see below), whose sum is σ = 1140138302048. Its totient is φ = 1106553808800.

The previous prime is 1123345668877. The next prime is 1123345668901. The reversal of 1123345668889 is 9888665433211.

It is an interprime number because it is at equal distance from previous prime (1123345668877) and next prime (1123345668901).

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

It is a cyclic number.

It is not a de Polignac number, because 1123345668889 - 2¹⁷ = 1123345537817 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1123345668889.

It is not an unprimeable number, because it can be changed into a prime (1123345668869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168334 + ... + 3505000.

It is an arithmetic number, because the mean of its divisors is an integer number (142517287756).

Almost surely, 2^{1123345668889} is an apocalyptic number.

It is an amenable number.

1123345668889 is a deficient number, since it is larger than the sum of its proper divisors (16792633159).

1123345668889 is an equidigital number, since it uses as much as digits as its factorization.

1123345668889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386535.

The product of its digits is 59719680, while the sum is 64.

The spelling of 1123345668889 in words is "one trillion, one hundred twenty-three billion, three hundred forty-five million, six hundred sixty-eight thousand, eight hundred eighty-nine".