223440983 has 2 divisors, whose sum is σ = 223440984. Its totient is φ = 223440982.

The previous prime is 223440947. The next prime is 223440989. The reversal of 223440983 is 389044322.

It is a happy number.

223440983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223440983 - 2⁸ = 223440727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223440989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111720491 + 111720492.

It is an arithmetic number, because the mean of its divisors is an integer number (111720492).

Almost surely, 2^223440983 is an apocalyptic number.

223440983 is a deficient number, since it is larger than the sum of its proper divisors (1).

223440983 is an equidigital number, since it uses as much as digits as its factorization.

223440983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 223440983 is about 14947.9424336596. The cubic root of 223440983 is about 606.8121637434.

The spelling of 223440983 in words is "two hundred twenty-three million, four hundred forty thousand, nine hundred eighty-three".