18441368323 has 8 divisors (see below), whose sum is σ = 21078720000. Its totient is φ = 15804734280.

The previous prime is 18441368321. The next prime is 18441368339. The reversal of 18441368323 is 32386314481.

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 18441368323 - 2¹ = 18441368321 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 18441368323.

It is not an unprimeable number, because it can be changed into a prime (18441368321) 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, 123163 + ... + 228148.

It is an arithmetic number, because the mean of its divisors is an integer number (2634840000).

Almost surely, 2^18441368323 is an apocalyptic number.

18441368323 is a deficient number, since it is larger than the sum of its proper divisors (2637351677).

18441368323 is an equidigital number, since it uses as much as digits as its factorization.

18441368323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358817.

The product of its digits is 331776, while the sum is 43.

The spelling of 18441368323 in words is "eighteen billion, four hundred forty-one million, three hundred sixty-eight thousand, three hundred twenty-three".