223012535 has 4 divisors (see below), whose sum is σ = 267615048. Its totient is φ = 178410024.

The previous prime is 223012529. The next prime is 223012549. The reversal of 223012535 is 535210322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223012535 - 2¹² = 223008439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223012535.

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 in 3 ways as a sum of consecutive naturals, for example, 22301249 + ... + 22301258.

It is an arithmetic number, because the mean of its divisors is an integer number (66903762).

Almost surely, 2^223012535 is an apocalyptic number.

223012535 is a deficient number, since it is larger than the sum of its proper divisors (44602513).

223012535 is an equidigital number, since it uses as much as digits as its factorization.

223012535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602512.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 223012535 is about 14933.6042200133. The cubic root of 223012535 is about 606.4240615445.

Adding to 223012535 its reverse (535210322), we get a palindrome (758222857).

The spelling of 223012535 in words is "two hundred twenty-three million, twelve thousand, five hundred thirty-five".