223680234449 has 16 divisors (see below), whose sum is σ = 256708847616. Its totient is φ = 190920920400.

The previous prime is 223680234439. The next prime is 223680234493. The reversal of 223680234449 is 944432086322.

It is a de Polignac number, because none of the positive numbers 2^k-223680234449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223680234439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3816134 + ... + 3874304.

It is an arithmetic number, because the mean of its divisors is an integer number (16044302976).

Almost surely, 2^223680234449 is an apocalyptic number.

It is an amenable number.

223680234449 is a deficient number, since it is larger than the sum of its proper divisors (33028613167).

223680234449 is a wasteful number, since it uses less digits than its factorization.

223680234449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60476.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 223680234449 in words is "two hundred twenty-three billion, six hundred eighty million, two hundred thirty-four thousand, four hundred forty-nine".