200920523 has 2 divisors, whose sum is σ = 200920524. Its totient is φ = 200920522.

The previous prime is 200920481. The next prime is 200920529. The reversal of 200920523 is 325029002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200920523 - 2⁸ = 200920267 is a prime.

It is not a weakly prime, because it can be changed into another prime (200920529) 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, 100460261 + 100460262.

It is an arithmetic number, because the mean of its divisors is an integer number (100460262).

Almost surely, 2^200920523 is an apocalyptic number.

200920523 is a deficient number, since it is larger than the sum of its proper divisors (1).

200920523 is an equidigital number, since it uses as much as digits as its factorization.

200920523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 200920523 is about 14174.6436639515. The cubic root of 200920523 is about 585.6993831765.

Adding to 200920523 its reverse (325029002), we get a palindrome (525949525).

The spelling of 200920523 in words is "two hundred million, nine hundred twenty thousand, five hundred twenty-three".