1002320323 has 8 divisors (see below), whose sum is σ = 1062119520. Its totient is φ = 942614400.

The previous prime is 1002320311. The next prime is 1002320353. The reversal of 1002320323 is 3230232001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002320323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002320297 and 1002320306.

It is not an unprimeable number, because it can be changed into a prime (1002320353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (132764940).

Almost surely, 2^1002320323 is an apocalyptic number.

1002320323 is a deficient number, since it is larger than the sum of its proper divisors (59799197).

1002320323 is a wasteful number, since it uses less digits than its factorization.

1002320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46637.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1002320323 is about 31659.4428725459. The cubic root of 1002320323 is about 1000.7728435590.

Adding to 1002320323 its reverse (3230232001), we get a palindrome (4232552324).

The spelling of 1002320323 in words is "one billion, two million, three hundred twenty thousand, three hundred twenty-three".