2005231323 has 8 divisors (see below), whose sum is σ = 2677363200. Its totient is φ = 1334960168.

The previous prime is 2005231313. The next prime is 2005231331. The reversal of 2005231323 is 3231325002.

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

It is a cyclic number.

It is not a de Polignac number, because 2005231323 - 2⁴ = 2005231307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005231323.

It is not an unprimeable number, because it can be changed into a prime (2005231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462663 + ... + 466976.

It is an arithmetic number, because the mean of its divisors is an integer number (334670400).

Almost surely, 2^2005231323 is an apocalyptic number.

2005231323 is a deficient number, since it is larger than the sum of its proper divisors (672131877).

2005231323 is an equidigital number, since it uses as much as digits as its factorization.

2005231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930361.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2005231323 is about 44779.8093229527. The cubic root of 2005231323 is about 1261.0186025028.

Adding to 2005231323 its reverse (3231325002), we get a palindrome (5236556325).

The spelling of 2005231323 in words is "two billion, five million, two hundred thirty-one thousand, three hundred twenty-three".