223504445642 has 16 divisors (see below), whose sum is σ = 339563241600. Its totient is φ = 110317222080.

The previous prime is 223504445623. The next prime is 223504445657. The reversal of 223504445642 is 246544405322.

It is a self number, because there is not a number n which added to its sum of digits gives 223504445642.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 744209 + ... + 1000427.

It is an arithmetic number, because the mean of its divisors is an integer number (21222702600).

Almost surely, 2^223504445642 is an apocalyptic number.

223504445642 is a deficient number, since it is larger than the sum of its proper divisors (116058795958).

223504445642 is a wasteful number, since it uses less digits than its factorization.

223504445642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261821.

The product of its (nonzero) digits is 921600, while the sum is 41.

The spelling of 223504445642 in words is "two hundred twenty-three billion, five hundred four million, four hundred forty-five thousand, six hundred forty-two".