1123000234 has 64 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 504483840.

The previous prime is 1123000217. The next prime is 1123000237. The reversal of 1123000234 is 4320003211.

It is a happy number.

It is a super-2 number, since 2×1123000234² = 2522259051128109512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123000237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8197014 + ... + 8197150.

It is an arithmetic number, because the mean of its divisors is an integer number (29211840).

Almost surely, 2^1123000234 is an apocalyptic number.

1123000234 is a deficient number, since it is larger than the sum of its proper divisors (746557526).

1123000234 is a wasteful number, since it uses less digits than its factorization.

1123000234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123000234 is about 33511.1956516028. The cubic root of 1123000234 is about 1039.4252969999.

Adding to 1123000234 its reverse (4320003211), we get a palindrome (5443003445).

The spelling of 1123000234 in words is "one billion, one hundred twenty-three million, two hundred thirty-four", and thus it is an aban number.