223239983 has 2 divisors, whose sum is σ = 223239984. Its totient is φ = 223239982.

The previous prime is 223239953. The next prime is 223240009. The reversal of 223239983 is 389932322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223239983 - 2⁸ = 223239727 is a prime.

It is a super-3 number, since 3×223239983³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223239983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223239953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111619991 + 111619992.

It is an arithmetic number, because the mean of its divisors is an integer number (111619992).

Almost surely, 2^223239983 is an apocalyptic number.

223239983 is a deficient number, since it is larger than the sum of its proper divisors (1).

223239983 is an equidigital number, since it uses as much as digits as its factorization.

223239983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 223239983 is about 14941.2175875997. The cubic root of 223239983 is about 606.6301532117.

The spelling of 223239983 in words is "two hundred twenty-three million, two hundred thirty-nine thousand, nine hundred eighty-three".