1123303000 has 32 divisors (see below), whose sum is σ = 2628531360. Its totient is φ = 449320800.

The previous prime is 1123302997. The next prime is 1123303001. The reversal of 1123303000 is 3033211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123303001) 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, 560652 + ... + 562651.

It is an arithmetic number, because the mean of its divisors is an integer number (82141605).

Almost surely, 2^1123303000 is an apocalyptic number.

1123303000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123303000 is an abundant number, since it is smaller than the sum of its proper divisors (1505228360).

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

1123303000 is a wasteful number, since it uses less digits than its factorization.

1123303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123324 (or 1123310 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1123303000 is about 33515.7127329854. The cubic root of 1123303000 is about 1039.5186998780.

Adding to 1123303000 its reverse (3033211), we get a palindrome (1126336211).

The spelling of 1123303000 in words is "one billion, one hundred twenty-three million, three hundred three thousand".