223680234447 has 24 divisors (see below), whose sum is σ = 323622870480. Its totient is φ = 148876068480.

The previous prime is 223680234439. The next prime is 223680234493. The reversal of 223680234447 is 744432086322.

223680234447 is a `hidden beast` number, since 223 + 6 + 80 + 2 + 344 + 4 + 7 = 666.

It is not a de Polignac number, because 223680234447 - 2³ = 223680234439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223680234497) 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 23 ways as a sum of consecutive naturals, for example, 25238797 + ... + 25247657.

It is an arithmetic number, because the mean of its divisors is an integer number (13484286270).

Almost surely, 2^223680234447 is an apocalyptic number.

223680234447 is a deficient number, since it is larger than the sum of its proper divisors (99942636033).

223680234447 is a wasteful number, since it uses less digits than its factorization.

223680234447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13143 (or 13140 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 223680234447 in words is "two hundred twenty-three billion, six hundred eighty million, two hundred thirty-four thousand, four hundred forty-seven".