104206523 has 2 divisors, whose sum is σ = 104206524. Its totient is φ = 104206522.

The previous prime is 104206519. The next prime is 104206559. The reversal of 104206523 is 325602401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104206523 - 2² = 104206519 is a prime.

It is not a weakly prime, because it can be changed into another prime (104206513) 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, 52103261 + 52103262.

It is an arithmetic number, because the mean of its divisors is an integer number (52103262).

Almost surely, 2^104206523 is an apocalyptic number.

104206523 is a deficient number, since it is larger than the sum of its proper divisors (1).

104206523 is an equidigital number, since it uses as much as digits as its factorization.

104206523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 104206523 is about 10208.1596284541. The cubic root of 104206523 is about 470.5780167815.

Adding to 104206523 its reverse (325602401), we get a palindrome (429808924).

The spelling of 104206523 in words is "one hundred four million, two hundred six thousand, five hundred twenty-three".