1123345666790 has 32 divisors (see below), whose sum is σ = 2141103093120. Its totient is φ = 422879263744.

The previous prime is 1123345666771. The next prime is 1123345666799. The reversal of 1123345666790 is 976665433211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123345666799) 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 15 ways as a sum of consecutive naturals, for example, 2526851 + ... + 2937969.

It is an arithmetic number, because the mean of its divisors is an integer number (66909471660).

Almost surely, 2^{1123345666790} is an apocalyptic number.

1123345666790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123345666790 is a deficient number, since it is larger than the sum of its proper divisors (1017757426330).

1123345666790 is a wasteful number, since it uses less digits than its factorization.

1123345666790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427216.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 1123345666790 in words is "one trillion, one hundred twenty-three billion, three hundred forty-five million, six hundred sixty-six thousand, seven hundred ninety".