223345432 has 8 divisors (see below), whose sum is σ = 418772700. Its totient is φ = 111672712.

The previous prime is 223345429. The next prime is 223345511. The reversal of 223345432 is 234543322.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 223345432.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13959082 + ... + 13959097.

Almost surely, 2^223345432 is an apocalyptic number.

It is an amenable number.

223345432 is a deficient number, since it is larger than the sum of its proper divisors (195427268).

223345432 is a wasteful number, since it uses less digits than its factorization.

223345432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27918185 (or 27918181 counting only the distinct ones).

The product of its digits is 17280, while the sum is 28.

The square root of 223345432 is about 14944.7459663923. The cubic root of 223345432 is about 606.7256535380.

Adding to 223345432 its reverse (234543322), we get a palindrome (457888754).

The spelling of 223345432 in words is "two hundred twenty-three million, three hundred forty-five thousand, four hundred thirty-two".