1322023000 has 64 divisors (see below), whose sum is σ = 3200277600. Its totient is φ = 510563200.

The previous prime is 1322022973. The next prime is 1322023007. The reversal of 1322023000 is 3202231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6207 + ... + 51793.

Almost surely, 2^1322023000 is an apocalyptic number.

1322023000 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 1322023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600138800).

1322023000 is an abundant number, since it is smaller than the sum of its proper divisors (1878254600).

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

1322023000 is a wasteful number, since it uses less digits than its factorization.

1322023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45637 (or 45623 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1322023000 is about 36359.6342115814. The cubic root of 1322023000 is about 1097.5214165527.

Adding to 1322023000 its reverse (3202231), we get a palindrome (1325225231).

The spelling of 1322023000 in words is "one billion, three hundred twenty-two million, twenty-three thousand".