1123383960 has 96 divisors (see below), whose sum is σ = 3656016000. Its totient is φ = 299157504.

The previous prime is 1123383959. The next prime is 1123383997. The reversal of 1123383960 is 693833211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332761 + ... + 336119.

It is an arithmetic number, because the mean of its divisors is an integer number (38083500).

Almost surely, 2^1123383960 is an apocalyptic number.

1123383960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123383960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828008000).

1123383960 is an abundant number, since it is smaller than the sum of its proper divisors (2532632040).

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

1123383960 is a wasteful number, since it uses less digits than its factorization.

1123383960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1123383960 is about 33516.9205029340. The cubic root of 1123383960 is about 1039.5436730782.

The spelling of 1123383960 in words is "one billion, one hundred twenty-three million, three hundred eighty-three thousand, nine hundred sixty".