1323270000 has 600 divisors, whose sum is σ = 5316735600. Its totient is φ = 314496000.

The previous prime is 1323269951. The next prime is 1323270031. The reversal of 1323270000 is 723231.

It is a tau number, because it is divible by the number of its divisors (600).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 45629986 + ... + 45630014.

It is an arithmetic number, because the mean of its divisors is an integer number (8861226).

Almost surely, 2^1323270000 is an apocalyptic number.

1323270000 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 1323270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2658367800).

1323270000 is an abundant number, since it is smaller than the sum of its proper divisors (3993465600).

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

1323270000 is a wasteful number, since it uses less digits than its factorization.

1323270000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1323270000 is about 36376.7783070464. The cubic root of 1323270000 is about 1097.8663876356.

Adding to 1323270000 its reverse (723231), we get a palindrome (1323993231).

It can be divided in two parts, 1323 and 270000, that multiplied together give a square (357210000 = 18900²).

The spelling of 1323270000 in words is "one billion, three hundred twenty-three million, two hundred seventy thousand".