1002323868 has 192 divisors, whose sum is σ = 3076792320. Its totient is φ = 246758400.

The previous prime is 1002323867. The next prime is 1002323873. The reversal of 1002323868 is 8683232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002323867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 981198 + ... + 982218.

It is an arithmetic number, because the mean of its divisors is an integer number (16024960).

Almost surely, 2^1002323868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002323868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538396160).

1002323868 is an abundant number, since it is smaller than the sum of its proper divisors (2074468452).

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

1002323868 is a wasteful number, since it uses less digits than its factorization.

1002323868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1002323868 is about 31659.4988589523. The cubic root of 1002323868 is about 1000.7740233999.

Adding to 1002323868 its reverse (8683232001), we get a palindrome (9685555869).

The spelling of 1002323868 in words is "one billion, two million, three hundred twenty-three thousand, eight hundred sixty-eight".