223040239 has 4 divisors (see below), whose sum is σ = 227785824. Its totient is φ = 218294656.

The previous prime is 223040227. The next prime is 223040243. The reversal of 223040239 is 932040322.

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 223040239 - 2²¹ = 220943087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223040299) 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 3 ways as a sum of consecutive naturals, for example, 2372722 + ... + 2372815.

It is an arithmetic number, because the mean of its divisors is an integer number (56946456).

Almost surely, 2^223040239 is an apocalyptic number.

223040239 is a deficient number, since it is larger than the sum of its proper divisors (4745585).

223040239 is an equidigital number, since it uses as much as digits as its factorization.

223040239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745584.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 223040239 is about 14934.5317636677. The cubic root of 223040239 is about 606.4491717572.

The spelling of 223040239 in words is "two hundred twenty-three million, forty thousand, two hundred thirty-nine".