1123783656806 has 8 divisors (see below), whose sum is σ = 1688489636400. Its totient is φ = 560953778008.

The previous prime is 1123783656781. The next prime is 1123783656817. The reversal of 1123783656806 is 6086563873211.

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

It is a Curzon number.

It is a congruent number.

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, 469023701 + ... + 469026096.

It is an arithmetic number, because the mean of its divisors is an integer number (211061204550).

Almost surely, 2^{1123783656806} is an apocalyptic number.

1123783656806 is a deficient number, since it is larger than the sum of its proper divisors (564705979594).

1123783656806 is an equidigital number, since it uses as much as digits as its factorization.

1123783656806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938050398.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 1123783656806 in words is "one trillion, one hundred twenty-three billion, seven hundred eighty-three million, six hundred fifty-six thousand, eight hundred six".