1023320323 has 8 divisors (see below), whose sum is σ = 1073649536. Its totient is φ = 974073600.

The previous prime is 1023320299. The next prime is 1023320327. The reversal of 1023320323 is 3230233201.

It is a happy number.

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-1023320323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023320323.

It is not an unprimeable number, because it can be changed into a prime (1023320327) 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, 268686 + ... + 272467.

It is an arithmetic number, because the mean of its divisors is an integer number (134206192).

Almost surely, 2^1023320323 is an apocalyptic number.

1023320323 is a deficient number, since it is larger than the sum of its proper divisors (50329213).

1023320323 is an equidigital number, since it uses as much as digits as its factorization.

1023320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541245.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1023320323 is about 31989.3782840492. The cubic root of 1023320323 is about 1007.7137855165.

Adding to 1023320323 its reverse (3230233201), we get a palindrome (4253553524).

The spelling of 1023320323 in words is "one billion, twenty-three million, three hundred twenty thousand, three hundred twenty-three".