223424042144 has 24 divisors (see below), whose sum is σ = 444808404180. Its totient is φ = 110456828416.

The previous prime is 223424042137. The next prime is 223424042159. The reversal of 223424042144 is 441240424322.

It can be written as a sum of positive squares in 2 ways, for example, as 207298090000 + 16125952144 = 455300^2 + 126988^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 223424042144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39221879 + ... + 39227574.

Almost surely, 2^223424042144 is an apocalyptic number.

It is an amenable number.

223424042144 is a deficient number, since it is larger than the sum of its proper divisors (221384362036).

223424042144 is an equidigital number, since it uses as much as digits as its factorization.

223424042144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78449552 (or 78449544 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 223424042144 its reverse (441240424322), we get a palindrome (664664466466).

The spelling of 223424042144 in words is "two hundred twenty-three billion, four hundred twenty-four million, forty-two thousand, one hundred forty-four".