223390983 has 4 divisors (see below), whose sum is σ = 297854648. Its totient is φ = 148927320.

The previous prime is 223390969. The next prime is 223390987. The reversal of 223390983 is 389093322.

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

It is not a de Polignac number, because 223390983 - 2⁹ = 223390471 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 (223390987) 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 in 3 ways as a sum of consecutive naturals, for example, 37231828 + ... + 37231833.

It is an arithmetic number, because the mean of its divisors is an integer number (74463662).

Almost surely, 2^223390983 is an apocalyptic number.

223390983 is a deficient number, since it is larger than the sum of its proper divisors (74463665).

223390983 is an equidigital number, since it uses as much as digits as its factorization.

223390983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74463664.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 223390983 is about 14946.2698691011. The cubic root of 223390983 is about 606.7668976942.

The spelling of 223390983 in words is "two hundred twenty-three million, three hundred ninety thousand, nine hundred eighty-three".