1123263356 has 12 divisors (see below), whose sum is σ = 2069169480. Its totient is φ = 532072080.

The previous prime is 1123263343. The next prime is 1123263359. The reversal of 1123263356 is 6533623211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123263359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7389815 + ... + 7389966.

It is an arithmetic number, because the mean of its divisors is an integer number (172430790).

Almost surely, 2^1123263356 is an apocalyptic number.

It is an amenable number.

1123263356 is a deficient number, since it is larger than the sum of its proper divisors (945906124).

1123263356 is a wasteful number, since it uses less digits than its factorization.

1123263356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779804 (or 14779802 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 1123263356 is about 33515.1213036743. The cubic root of 1123263356 is about 1039.5064707157.

Adding to 1123263356 its reverse (6533623211), we get a palindrome (7656886567).

The spelling of 1123263356 in words is "one billion, one hundred twenty-three million, two hundred sixty-three thousand, three hundred fifty-six".