423568049 has 2 divisors, whose sum is σ = 423568050. Its totient is φ = 423568048.

The previous prime is 423568031. The next prime is 423568127. The reversal of 423568049 is 940865324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333318049 + 90250000 = 18257^2 + 9500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423568049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423567997 and 423568015.

It is not a weakly prime, because it can be changed into another prime (423568009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211784024 + 211784025.

It is an arithmetic number, because the mean of its divisors is an integer number (211784025).

Almost surely, 2^423568049 is an apocalyptic number.

It is an amenable number.

423568049 is a deficient number, since it is larger than the sum of its proper divisors (1).

423568049 is an equidigital number, since it uses as much as digits as its factorization.

423568049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 423568049 is about 20580.7689117778. The cubic root of 423568049 is about 751.0019491641.

It can be divided in two parts, 42356 and 8049, that added together give a palindrome (50405).

The spelling of 423568049 in words is "four hundred twenty-three million, five hundred sixty-eight thousand, forty-nine".