223842087 has 12 divisors (see below), whose sum is σ = 369517200. Its totient is φ = 127909728.

The previous prime is 223842067. The next prime is 223842089. The reversal of 223842087 is 780248322.

223842087 is a `hidden beast` number, since 223 + 8 + 420 + 8 + 7 = 666.

It is not a de Polignac number, because 223842087 - 2¹⁰ = 223841063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223842089) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1776462 + ... + 1776587.

It is an arithmetic number, because the mean of its divisors is an integer number (30793100).

Almost surely, 2^223842087 is an apocalyptic number.

223842087 is a deficient number, since it is larger than the sum of its proper divisors (145675113).

223842087 is a wasteful number, since it uses less digits than its factorization.

223842087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553062 (or 3553059 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 223842087 is about 14961.3531139399. The cubic root of 223842087 is about 607.1750474704.

The spelling of 223842087 in words is "two hundred twenty-three million, eight hundred forty-two thousand, eighty-seven".