2321223403 has 4 divisors (see below), whose sum is σ = 2324535408. Its totient is φ = 2317911400.

The previous prime is 2321223391. The next prime is 2321223431. The reversal of 2321223403 is 3043221232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321223403 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321223703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654951 + ... + 1656352.

It is an arithmetic number, because the mean of its divisors is an integer number (581133852).

Almost surely, 2^2321223403 is an apocalyptic number.

2321223403 is a deficient number, since it is larger than the sum of its proper divisors (3312005).

2321223403 is an equidigital number, since it uses as much as digits as its factorization.

2321223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312004.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2321223403 is about 48179.0764025215. The cubic root of 2321223403 is about 1324.0538450962.

Adding to 2321223403 its reverse (3043221232), we get a palindrome (5364444635).

The spelling of 2321223403 in words is "two billion, three hundred twenty-one million, two hundred twenty-three thousand, four hundred three".