355111423 has 2 divisors, whose sum is σ = 355111424. Its totient is φ = 355111422.

The previous prime is 355111403. The next prime is 355111429. The reversal of 355111423 is 324111553.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (324111553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355111423 - 2²¹ = 353014271 is a prime.

It is a super-2 number, since 2×355111423² = 252208245490169858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355111429) 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, 177555711 + 177555712.

It is an arithmetic number, because the mean of its divisors is an integer number (177555712).

Almost surely, 2^355111423 is an apocalyptic number.

355111423 is a deficient number, since it is larger than the sum of its proper divisors (1).

355111423 is an equidigital number, since it uses as much as digits as its factorization.

355111423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 355111423 is about 18844.4003088451. The cubic root of 355111423 is about 708.1439474248.

Adding to 355111423 its reverse (324111553), we get a palindrome (679222976).

The spelling of 355111423 in words is "three hundred fifty-five million, one hundred eleven thousand, four hundred twenty-three".