22003231323 has 4 divisors (see below), whose sum is σ = 29337641768. Its totient is φ = 14668820880.

The previous prime is 22003231321. The next prime is 22003231337. The reversal of 22003231323 is 32313230022.

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

It is not a de Polignac number, because 22003231323 - 2¹ = 22003231321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22003231323.

It is not an unprimeable number, because it can be changed into a prime (22003231321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667205218 + ... + 3667205223.

It is an arithmetic number, because the mean of its divisors is an integer number (7334410442).

Almost surely, 2^22003231323 is an apocalyptic number.

22003231323 is a deficient number, since it is larger than the sum of its proper divisors (7334410445).

22003231323 is an equidigital number, since it uses as much as digits as its factorization.

22003231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334410444.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22003231323 its reverse (32313230022), we get a palindrome (54316461345).

The spelling of 22003231323 in words is "twenty-two billion, three million, two hundred thirty-one thousand, three hundred twenty-three".