1123320666 has 32 divisors (see below), whose sum is σ = 2484857088. Its totient is φ = 336294720.

The previous prime is 1123320613. The next prime is 1123320697. The reversal of 1123320666 is 6660233211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191730 + ... + 197501.

It is an arithmetic number, because the mean of its divisors is an integer number (77651784).

Almost surely, 2^1123320666 is an apocalyptic number.

1123320666 is an abundant number, since it is smaller than the sum of its proper divisors (1361536422).

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

1123320666 is a wasteful number, since it uses less digits than its factorization.

1123320666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389286.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1123320666 is about 33515.9762799773. The cubic root of 1123320666 is about 1039.5241492955.

Adding to 1123320666 its reverse (6660233211), we get a palindrome (7783553877).

The spelling of 1123320666 in words is "one billion, one hundred twenty-three million, three hundred twenty thousand, six hundred sixty-six".