355135223 has 2 divisors, whose sum is σ = 355135224. Its totient is φ = 355135222.

The previous prime is 355135177. The next prime is 355135279. The reversal of 355135223 is 322531553.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355135223 is a prime.

It is a super-2 number, since 2×355135223² = 252242053230519458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355135283) 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, 177567611 + 177567612.

It is an arithmetic number, because the mean of its divisors is an integer number (177567612).

Almost surely, 2^355135223 is an apocalyptic number.

355135223 is a deficient number, since it is larger than the sum of its proper divisors (1).

355135223 is an equidigital number, since it uses as much as digits as its factorization.

355135223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 29.

The square root of 355135223 is about 18845.0317855927. The cubic root of 355135223 is about 708.1597672947.

Adding to 355135223 its reverse (322531553), we get a palindrome (677666776).

The spelling of 355135223 in words is "three hundred fifty-five million, one hundred thirty-five thousand, two hundred twenty-three".