523810223 has 2 divisors, whose sum is σ = 523810224. Its totient is φ = 523810222.

The previous prime is 523810169. The next prime is 523810237. The reversal of 523810223 is 322018325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523810223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523810192 and 523810201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523800223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261905111 + 261905112.

It is an arithmetic number, because the mean of its divisors is an integer number (261905112).

Almost surely, 2^523810223 is an apocalyptic number.

523810223 is a deficient number, since it is larger than the sum of its proper divisors (1).

523810223 is an equidigital number, since it uses as much as digits as its factorization.

523810223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 523810223 is about 22886.9006857635. The cubic root of 523810223 is about 806.1044588121.

Adding to 523810223 its reverse (322018325), we get a palindrome (845828548).

The spelling of 523810223 in words is "five hundred twenty-three million, eight hundred ten thousand, two hundred twenty-three".