1123234256 has 20 divisors (see below), whose sum is σ = 2270887392. Its totient is φ = 537198816.

The previous prime is 1123234249. The next prime is 1123234289. The reversal of 1123234256 is 6524323211.

It is a happy 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, 1525766 + ... + 1526501.

Almost surely, 2^1123234256 is an apocalyptic number.

1123234256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1123234256 is an abundant number, since it is smaller than the sum of its proper divisors (1147653136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123234256 is a wasteful number, since it uses less digits than its factorization.

1123234256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052298 (or 3052292 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1123234256 is about 33514.6871684639. The cubic root of 1123234256 is about 1039.4974939252.

Adding to 1123234256 its reverse (6524323211), we get a palindrome (7647557467).

The spelling of 1123234256 in words is "one billion, one hundred twenty-three million, two hundred thirty-four thousand, two hundred fifty-six".