1123344544 has 24 divisors (see below), whose sum is σ = 2527525728. Its totient is φ = 481433280.

The previous prime is 1123344539. The next prime is 1123344557. The reversal of 1123344544 is 4454433211.

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, 2507242 + ... + 2507689.

It is an arithmetic number, because the mean of its divisors is an integer number (105313572).

Almost surely, 2^1123344544 is an apocalyptic number.

1123344544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123344544 is an abundant number, since it is smaller than the sum of its proper divisors (1404181184).

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

1123344544 is an equidigital number, since it uses as much as digits as its factorization.

1123344544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014948 (or 5014940 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 1123344544 is about 33516.3324962622. The cubic root of 1123344544 is about 1039.5315148331.

Adding to 1123344544 its reverse (4454433211), we get a palindrome (5577777755).

The spelling of 1123344544 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, five hundred forty-four".