1123040322 has 64 divisors (see below), whose sum is σ = 2539537920. Its totient is φ = 367804800.

The previous prime is 1123040291. The next prime is 1123040327. The reversal of 1123040322 is 2230403211.

1123040322 is a `hidden beast` number, since 11 + 230 + 403 + 22 = 666.

It is a super-2 number, since 2×1123040322² = 2522439129675727368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123040295 and 1123040304.

It is not an unprimeable number, because it can be changed into a prime (1123040327) 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, 1698672 + ... + 1699332.

It is an arithmetic number, because the mean of its divisors is an integer number (39680280).

Almost surely, 2^1123040322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123040322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269768960).

1123040322 is an abundant number, since it is smaller than the sum of its proper divisors (1416497598).

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

1123040322 is a wasteful number, since it uses less digits than its factorization.

1123040322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1123040322 is about 33511.7937747295. The cubic root of 1123040322 is about 1039.4376650547.

Adding to 1123040322 its reverse (2230403211), we get a palindrome (3353443533).

The spelling of 1123040322 in words is "one billion, one hundred twenty-three million, forty thousand, three hundred twenty-two".