1123544334 has 64 divisors (see below), whose sum is σ = 2526163200. Its totient is φ = 330193920.

The previous prime is 1123544329. The next prime is 1123544339. The reversal of 1123544334 is 4334453211.

It is an interprime number because it is at equal distance from previous prime (1123544329) and next prime (1123544339).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123544339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421534 + ... + 424190.

It is an arithmetic number, because the mean of its divisors is an integer number (39471300).

Almost surely, 2^1123544334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123544334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263081600).

1123544334 is an abundant number, since it is smaller than the sum of its proper divisors (1402618866).

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

1123544334 is a wasteful number, since it uses less digits than its factorization.

1123544334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865.

The product of its digits is 17280, while the sum is 30.

The square root of 1123544334 is about 33519.3128509521. The cubic root of 1123544334 is about 1039.5931390519.

Adding to 1123544334 its reverse (4334453211), we get a palindrome (5457997545).

The spelling of 1123544334 in words is "one billion, one hundred twenty-three million, five hundred forty-four thousand, three hundred thirty-four".