223960019 has 2 divisors, whose sum is σ = 223960020. Its totient is φ = 223960018.

The previous prime is 223959991. The next prime is 223960043. The reversal of 223960019 is 910069322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223960019 - 2¹² = 223955923 is a prime.

It is a super-2 number, since 2×223960019² = 100316180220960722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223962019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111980009 + 111980010.

It is an arithmetic number, because the mean of its divisors is an integer number (111980010).

Almost surely, 2^223960019 is an apocalyptic number.

223960019 is a deficient number, since it is larger than the sum of its proper divisors (1).

223960019 is an equidigital number, since it uses as much as digits as its factorization.

223960019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 223960019 is about 14965.2938160265. The cubic root of 223960019 is about 607.2816595277.

The spelling of 223960019 in words is "two hundred twenty-three million, nine hundred sixty thousand, nineteen".