1123323000 has 64 divisors (see below), whose sum is σ = 3504777120. Its totient is φ = 299552000.

The previous prime is 1123322989. The next prime is 1123323049. The reversal of 1123323000 is 3233211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184221 + ... + 190220.

Almost surely, 2^1123323000 is an apocalyptic number.

1123323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123323000 is an abundant number, since it is smaller than the sum of its proper divisors (2381454120).

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

1123323000 is a wasteful number, since it uses less digits than its factorization.

1123323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374465 (or 374451 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1123323000 is about 33516.0110991747. The cubic root of 1123323000 is about 1039.5248692584.

Adding to 1123323000 its reverse (3233211), we get a palindrome (1126556211).

The spelling of 1123323000 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand".