340224523 has 2 divisors, whose sum is σ = 340224524. Its totient is φ = 340224522.

The previous prime is 340224517. The next prime is 340224527. The reversal of 340224523 is 325422043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340224523 - 2¹⁷ = 340093451 is a prime.

It is not a weakly prime, because it can be changed into another prime (340224527) 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, 170112261 + 170112262.

It is an arithmetic number, because the mean of its divisors is an integer number (170112262).

Almost surely, 2^340224523 is an apocalyptic number.

340224523 is a deficient number, since it is larger than the sum of its proper divisors (1).

340224523 is an equidigital number, since it uses as much as digits as its factorization.

340224523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 340224523 is about 18445.1761444558. The cubic root of 340224523 is about 698.1068047553.

Adding to 340224523 its reverse (325422043), we get a palindrome (665646566).

The spelling of 340224523 in words is "three hundred forty million, two hundred twenty-four thousand, five hundred twenty-three".