214728523 has 2 divisors, whose sum is σ = 214728524. Its totient is φ = 214728522.

The previous prime is 214728497. The next prime is 214728559. The reversal of 214728523 is 325827412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214728523 - 2⁹ = 214728011 is a prime.

It is a super-2 number, since 2×214728523² = 92216677179523058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214728623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107364261 + 107364262.

It is an arithmetic number, because the mean of its divisors is an integer number (107364262).

Almost surely, 2^214728523 is an apocalyptic number.

214728523 is a deficient number, since it is larger than the sum of its proper divisors (1).

214728523 is an equidigital number, since it uses as much as digits as its factorization.

214728523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 214728523 is about 14653.6180856470. The cubic root of 214728523 is about 598.8203888639.

The spelling of 214728523 in words is "two hundred fourteen million, seven hundred twenty-eight thousand, five hundred twenty-three".