223087 has 2 divisors, whose sum is σ = 223088. Its totient is φ = 223086.

The previous prime is 223063. The next prime is 223099. The reversal of 223087 is 780322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223087 is a prime.

It is a super-3 number, since 3×223087³ = 33307653999958509, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223007) 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 as a sum of consecutive naturals, namely, 111543 + 111544.

It is an arithmetic number, because the mean of its divisors is an integer number (111544).

2²²³⁰⁸⁷ is an apocalyptic number.

223087 is a deficient number, since it is larger than the sum of its proper divisors (1).

223087 is an equidigital number, since it uses as much as digits as its factorization.

223087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 223087 is about 472.3208655141. The cubic root of 223087 is about 60.6491550042.

The spelling of 223087 in words is "two hundred twenty-three thousand, eighty-seven".