1163123326 has 4 divisors (see below), whose sum is σ = 1744684992. Its totient is φ = 581561662.

The previous prime is 1163123309. The next prime is 1163123347. The reversal of 1163123326 is 6233213611.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1163123294 and 1163123303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290780830 + ... + 290780833.

It is an arithmetic number, because the mean of its divisors is an integer number (436171248).

Almost surely, 2^1163123326 is an apocalyptic number.

1163123326 is a deficient number, since it is larger than the sum of its proper divisors (581561666).

1163123326 is an equidigital number, since it uses as much as digits as its factorization.

1163123326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581561665.

The product of its digits is 3888, while the sum is 28.

The square root of 1163123326 is about 34104.5939134305. The cubic root of 1163123326 is about 1051.6597562620.

Adding to 1163123326 its reverse (6233213611), we get a palindrome (7396336937).

The spelling of 1163123326 in words is "one billion, one hundred sixty-three million, one hundred twenty-three thousand, three hundred twenty-six".