223505476854 has 32 divisors (see below), whose sum is σ = 499542180480. Its totient is φ = 66077006400.

The previous prime is 223505476837. The next prime is 223505476889. The reversal of 223505476854 is 458674505322.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223505476797 and 223505476806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41295424 + ... + 41300835.

It is an arithmetic number, because the mean of its divisors is an integer number (15610693140).

Almost surely, 2^223505476854 is an apocalyptic number.

223505476854 is an abundant number, since it is smaller than the sum of its proper divisors (276036703626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223505476854 is a wasteful number, since it uses less digits than its factorization.

223505476854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82596316.

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 223505476854 in words is "two hundred twenty-three billion, five hundred five million, four hundred seventy-six thousand, eight hundred fifty-four".