1123345666788 has 12 divisors (see below), whose sum is σ = 2621139889200. Its totient is φ = 374448555592.

The previous prime is 1123345666771. The next prime is 1123345666799. The reversal of 1123345666788 is 8876665433211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46806069438 + ... + 46806069461.

It is an arithmetic number, because the mean of its divisors is an integer number (218428324100).

Almost surely, 2^{1123345666788} is an apocalyptic number.

It is an amenable number.

1123345666788 is an abundant number, since it is smaller than the sum of its proper divisors (1497794222412).

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

1123345666788 is a wasteful number, since it uses less digits than its factorization.

1123345666788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93612138906 (or 93612138904 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 1123345666788 in words is "one trillion, one hundred twenty-three billion, three hundred forty-five million, six hundred sixty-six thousand, seven hundred eighty-eight".