1123434218 has 8 divisors (see below), whose sum is σ = 1758418848. Its totient is φ = 537294604.

The previous prime is 1123434199. The next prime is 1123434229. The reversal of 1123434218 is 8124343211.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12211196 + ... + 12211287.

It is an arithmetic number, because the mean of its divisors is an integer number (219802356).

Almost surely, 2^1123434218 is an apocalyptic number.

1123434218 is a deficient number, since it is larger than the sum of its proper divisors (634984630).

1123434218 is a wasteful number, since it uses less digits than its factorization.

1123434218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422508.

The product of its digits is 4608, while the sum is 29.

The square root of 1123434218 is about 33517.6702352655. The cubic root of 1123434218 is about 1039.5591752302.

Adding to 1123434218 its reverse (8124343211), we get a palindrome (9247777429).

The spelling of 1123434218 in words is "one billion, one hundred twenty-three million, four hundred thirty-four thousand, two hundred eighteen".