1123631326 has 16 divisors (see below), whose sum is σ = 1706796000. Its totient is φ = 554731488.

The previous prime is 1123631309. The next prime is 1123631347. The reversal of 1123631326 is 6231363211.

It is a junction number, because it is equal to n+sod(n) for n = 1123631294 and 1123631303.

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, 64080 + ... + 79708.

It is an arithmetic number, because the mean of its divisors is an integer number (106674750).

Almost surely, 2^1123631326 is an apocalyptic number.

1123631326 is a deficient number, since it is larger than the sum of its proper divisors (583164674).

1123631326 is a wasteful number, since it uses less digits than its factorization.

1123631326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083.

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

The square root of 1123631326 is about 33520.6104658015. The cubic root of 1123631326 is about 1039.6199690130.

Adding to 1123631326 its reverse (6231363211), we get a palindrome (7354994537).

The spelling of 1123631326 in words is "one billion, one hundred twenty-three million, six hundred thirty-one thousand, three hundred twenty-six".