353340523 has 2 divisors, whose sum is σ = 353340524. Its totient is φ = 353340522.

The previous prime is 353340509. The next prime is 353340527. The reversal of 353340523 is 325043353.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353340523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353340491 and 353340500.

It is not a weakly prime, because it can be changed into another prime (353340527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176670261 + 176670262.

It is an arithmetic number, because the mean of its divisors is an integer number (176670262).

Almost surely, 2^353340523 is an apocalyptic number.

353340523 is a deficient number, since it is larger than the sum of its proper divisors (1).

353340523 is an equidigital number, since it uses as much as digits as its factorization.

353340523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 353340523 is about 18797.3541489221. The cubic root of 353340523 is about 706.9648409674.

Adding to 353340523 its reverse (325043353), we get a palindrome (678383876).

The spelling of 353340523 in words is "three hundred fifty-three million, three hundred forty thousand, five hundred twenty-three".