355342223 has 2 divisors, whose sum is σ = 355342224. Its totient is φ = 355342222.

The previous prime is 355342219. The next prime is 355342259. The reversal of 355342223 is 322243553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355342223 - 2² = 355342219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355342213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177671111 + 177671112.

It is an arithmetic number, because the mean of its divisors is an integer number (177671112).

Almost surely, 2^355342223 is an apocalyptic number.

355342223 is a deficient number, since it is larger than the sum of its proper divisors (1).

355342223 is an equidigital number, since it uses as much as digits as its factorization.

355342223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 29.

The square root of 355342223 is about 18850.5231492391. The cubic root of 355342223 is about 708.2973304823.

Adding to 355342223 its reverse (322243553), we get a palindrome (677585776).

The spelling of 355342223 in words is "three hundred fifty-five million, three hundred forty-two thousand, two hundred twenty-three".