223438927 has 2 divisors, whose sum is σ = 223438928. Its totient is φ = 223438926.

The previous prime is 223438921. The next prime is 223438931. The reversal of 223438927 is 729834322.

223438927 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 223438927 - 2¹¹ = 223436879 is a prime.

It is a super-2 number, since 2×223438927² = 99849908197822658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223438927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223438921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111719463 + 111719464.

It is an arithmetic number, because the mean of its divisors is an integer number (111719464).

Almost surely, 2^223438927 is an apocalyptic number.

223438927 is a deficient number, since it is larger than the sum of its proper divisors (1).

223438927 is an equidigital number, since it uses as much as digits as its factorization.

223438927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 223438927 is about 14947.8736614945. The cubic root of 223438927 is about 606.8103025366.

The spelling of 223438927 in words is "two hundred twenty-three million, four hundred thirty-eight thousand, nine hundred twenty-seven".