223507 has 2 divisors, whose sum is σ = 223508. Its totient is φ = 223506.

The previous prime is 223493. The next prime is 223529. The reversal of 223507 is 705322.

It is a happy number.

223507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223507 is a prime.

It is not a weakly prime, because it can be changed into another prime (223547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111753 + 111754.

It is an arithmetic number, because the mean of its divisors is an integer number (111754).

2²²³⁵⁰⁷ is an apocalyptic number.

223507 is a deficient number, since it is larger than the sum of its proper divisors (1).

223507 is an equidigital number, since it uses as much as digits as its factorization.

223507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 223507 is about 472.7652694520. The cubic root of 223507 is about 60.6871919976.

Adding to 223507 its reverse (705322), we get a palindrome (928829).

The spelling of 223507 in words is "two hundred twenty-three thousand, five hundred seven".