223923461 has 2 divisors, whose sum is σ = 223923462. Its totient is φ = 223923460.

The previous prime is 223923449. The next prime is 223923481. The reversal of 223923461 is 164329322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 107952100 = 10769^2 + 10390^2 .

It is a cyclic number.

It is not a de Polignac number, because 223923461 - 2⁶ = 223923397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223923431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111961730 + 111961731.

It is an arithmetic number, because the mean of its divisors is an integer number (111961731).

Almost surely, 2^223923461 is an apocalyptic number.

It is an amenable number.

223923461 is a deficient number, since it is larger than the sum of its proper divisors (1).

223923461 is an equidigital number, since it uses as much as digits as its factorization.

223923461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 223923461 is about 14964.0723401085. The cubic root of 223923461 is about 607.2486146251.

The spelling of 223923461 in words is "two hundred twenty-three million, nine hundred twenty-three thousand, four hundred sixty-one".