224385823 has 2 divisors, whose sum is σ = 224385824. Its totient is φ = 224385822.

The previous prime is 224385793. The next prime is 224385841. The reversal of 224385823 is 328583422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224385823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224385883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112192911 + 112192912.

It is an arithmetic number, because the mean of its divisors is an integer number (112192912).

Almost surely, 2^224385823 is an apocalyptic number.

224385823 is a deficient number, since it is larger than the sum of its proper divisors (1).

224385823 is an equidigital number, since it uses as much as digits as its factorization.

224385823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 37.

The square root of 224385823 is about 14979.5134433666. The cubic root of 224385823 is about 607.6662806412. Note that the first 3 decimals are identical.

The spelling of 224385823 in words is "two hundred twenty-four million, three hundred eighty-five thousand, eight hundred twenty-three".