223998397013 has 4 divisors (see below), whose sum is σ = 226833819840. Its totient is φ = 221162974188.

The previous prime is 223998396983. The next prime is 223998397039. The reversal of 223998397013 is 310793899322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223998397013 - 2⁶ = 223998396949 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 223998397013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223998397913) 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, 1417711295 + ... + 1417711452.

It is an arithmetic number, because the mean of its divisors is an integer number (56708454960).

Almost surely, 2^223998397013 is an apocalyptic number.

It is an amenable number.

223998397013 is a deficient number, since it is larger than the sum of its proper divisors (2835422827).

223998397013 is an equidigital number, since it uses as much as digits as its factorization.

223998397013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835422826.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 223998397013 in words is "two hundred twenty-three billion, nine hundred ninety-eight million, three hundred ninety-seven thousand, thirteen".