22312323403 has 4 divisors (see below), whose sum is σ = 22399142040. Its totient is φ = 22225504768.

The previous prime is 22312323347. The next prime is 22312323431. The reversal of 22312323403 is 30432321322.

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

It is a cyclic number.

It is not a de Polignac number, because 22312323403 - 2⁹ = 22312322891 is a prime.

It is a super-3 number, since 3×22312323403³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312323433) 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, 43408933 + ... + 43409446.

It is an arithmetic number, because the mean of its divisors is an integer number (5599785510).

Almost surely, 2^22312323403 is an apocalyptic number.

22312323403 is a deficient number, since it is larger than the sum of its proper divisors (86818637).

22312323403 is an equidigital number, since it uses as much as digits as its factorization.

22312323403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86818636.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 22312323403 its reverse (30432321322), we get a palindrome (52744644725).

The spelling of 22312323403 in words is "twenty-two billion, three hundred twelve million, three hundred twenty-three thousand, four hundred three".