223396443 has 6 divisors (see below), whose sum is σ = 322683764. Its totient is φ = 148930956.

The previous prime is 223396427. The next prime is 223396463. The reversal of 223396443 is 344693322.

223396443 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 9 + 644 + 3 = 666.

It is not a de Polignac number, because 223396443 - 2⁴ = 223396427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223396398 and 223396407.

It is not an unprimeable number, because it can be changed into a prime (223396463) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12410905 + ... + 12410922.

Almost surely, 2^223396443 is an apocalyptic number.

223396443 is a deficient number, since it is larger than the sum of its proper divisors (99287321).

223396443 is a wasteful number, since it uses less digits than its factorization.

223396443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24821833 (or 24821830 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 223396443 is about 14946.4525222542. The cubic root of 223396443 is about 606.7718410752.

It can be divided in two parts, 22339 and 6443, that added together give a palindrome (28782).

The spelling of 223396443 in words is "two hundred twenty-three million, three hundred ninety-six thousand, four hundred forty-three".