1123432134 has 16 divisors (see below), whose sum is σ = 2451124800. Its totient is φ = 340433960.

The previous prime is 1123432129. The next prime is 1123432187. The reversal of 1123432134 is 4312343211.

It is a happy number.

1123432134 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8510784 + ... + 8510915.

It is an arithmetic number, because the mean of its divisors is an integer number (153195300).

Almost surely, 2^1123432134 is an apocalyptic number.

1123432134 is an abundant number, since it is smaller than the sum of its proper divisors (1327692666).

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

1123432134 is a wasteful number, since it uses less digits than its factorization.

1123432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021715.

The product of its digits is 1728, while the sum is 24.

The square root of 1123432134 is about 33517.6391471714. The cubic root of 1123432134 is about 1039.5585324266.

Adding to 1123432134 its reverse (4312343211), we get a palindrome (5435775345).

The spelling of 1123432134 in words is "one billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred thirty-four".