1122323000 has 128 divisors (see below), whose sum is σ = 2811257280. Its totient is φ = 417894400.

The previous prime is 1122322933. The next prime is 1122323023. The reversal of 1122323000 is 3232211.

It is a happy number.

It is a super-3 number, since 3×1122323000³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1818692 + ... + 1819308.

Almost surely, 2^1122323000 is an apocalyptic number.

1122323000 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 1122323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405628640).

1122323000 is an abundant number, since it is smaller than the sum of its proper divisors (1688934280).

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

1122323000 is a wasteful number, since it uses less digits than its factorization.

1122323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1122323000 is about 33501.0895345211. The cubic root of 1122323000 is about 1039.2163104886.

Adding to 1122323000 its reverse (3232211), we get a palindrome (1125555211).

The spelling of 1122323000 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand".