1123323530566 has 16 divisors (see below), whose sum is σ = 1713649608000. Its totient is φ = 552108164008.

The previous prime is 1123323530557. The next prime is 1123323530579. The reversal of 1123323530566 is 6650353233211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694085 + ... + 2261983.

It is an arithmetic number, because the mean of its divisors is an integer number (107103100500).

Almost surely, 2^{1123323530566} is an apocalyptic number.

1123323530566 is a deficient number, since it is larger than the sum of its proper divisors (590326077434).

1123323530566 is a wasteful number, since it uses less digits than its factorization.

1123323530566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584723.

The product of its (nonzero) digits is 291600, while the sum is 40.

Adding to 1123323530566 its reverse (6650353233211), we get a palindrome (7773676763777).

The spelling of 1123323530566 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-three million, five hundred thirty thousand, five hundred sixty-six".