1123345674 has 48 divisors (see below), whose sum is σ = 2716949664. Its totient is φ = 332488800.

The previous prime is 1123345673. The next prime is 1123345687. The reversal of 1123345674 is 4765433211.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1123345673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57457 + ... + 74484.

It is an arithmetic number, because the mean of its divisors is an integer number (56603118).

Almost surely, 2^1123345674 is an apocalyptic number.

1123345674 is an abundant number, since it is smaller than the sum of its proper divisors (1593603990).

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

1123345674 is a wasteful number, since it uses less digits than its factorization.

1123345674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132003 (or 132000 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 1123345674 is about 33516.3493537109. The cubic root of 1123345674 is about 1039.5318633964.

Adding to 1123345674 its reverse (4765433211), we get a palindrome (5888778885).

The spelling of 1123345674 in words is "one billion, one hundred twenty-three million, three hundred forty-five thousand, six hundred seventy-four".