223000409 has 2 divisors, whose sum is σ = 223000410. Its totient is φ = 223000408.

The previous prime is 223000367. The next prime is 223000411. The reversal of 223000409 is 904000322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137992009 + 85008400 = 11747^2 + 9220^2 .

It is a cyclic number.

It is not a de Polignac number, because 223000409 - 2¹² = 222996313 is a prime.

Together with 223000411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223000469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111500204 + 111500205.

It is an arithmetic number, because the mean of its divisors is an integer number (111500205).

Almost surely, 2^223000409 is an apocalyptic number.

It is an amenable number.

223000409 is a deficient number, since it is larger than the sum of its proper divisors (1).

223000409 is an equidigital number, since it uses as much as digits as its factorization.

223000409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 223000409 is about 14933.1982173947. The cubic root of 223000409 is about 606.4130701871.

The spelling of 223000409 in words is "two hundred twenty-three million, four hundred nine", and thus it is an aban number.