223943544874 has 24 divisors (see below), whose sum is σ = 392917553028. Its totient is φ = 95445544320.

The previous prime is 223943544863. The next prime is 223943544899. The reversal of 223943544874 is 478445349322.

It can be written as a sum of positive squares in 2 ways, for example, as 201639615849 + 22303929025 = 449043^2 + 149345^2 .

It is a super-2 number, since 2×223943544874² (a number of 24 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 6294799 + ... + 6330274.

Almost surely, 2^223943544874 is an apocalyptic number.

223943544874 is a deficient number, since it is larger than the sum of its proper divisors (168974008154).

223943544874 is a wasteful number, since it uses less digits than its factorization.

223943544874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625270 (or 12625263 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 55.

The spelling of 223943544874 in words is "two hundred twenty-three billion, nine hundred forty-three million, five hundred forty-four thousand, eight hundred seventy-four".