1123408288 has 48 divisors (see below), whose sum is σ = 2377710720. Its totient is φ = 520805376.

The previous prime is 1123408283. The next prime is 1123408309. The reversal of 1123408288 is 8828043211.

It is not an unprimeable number, because it can be changed into a prime (1123408283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8920 + ... + 48232.

It is an arithmetic number, because the mean of its divisors is an integer number (49535640).

Almost surely, 2^1123408288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123408288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188855360).

1123408288 is an abundant number, since it is smaller than the sum of its proper divisors (1254302432).

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

1123408288 is a wasteful number, since it uses less digits than its factorization.

1123408288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39389 (or 39381 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1123408288 is about 33517.2834221391. The cubic root of 1123408288 is about 1039.5511771424.

The spelling of 1123408288 in words is "one billion, one hundred twenty-three million, four hundred eight thousand, two hundred eighty-eight".