355312123 has 2 divisors, whose sum is σ = 355312124. Its totient is φ = 355312122.

The previous prime is 355312099. The next prime is 355312171. The reversal of 355312123 is 321213553.

It is a weak prime.

It is an emirp because it is prime and its reverse (321213553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355312123 - 2²¹ = 353214971 is a prime.

It is not a weakly prime, because it can be changed into another prime (355312183) 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, 177656061 + 177656062.

It is an arithmetic number, because the mean of its divisors is an integer number (177656062).

Almost surely, 2^355312123 is an apocalyptic number.

355312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

355312123 is an equidigital number, since it uses as much as digits as its factorization.

355312123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 355312123 is about 18849.7247460009. The cubic root of 355312123 is about 708.2773306528.

Adding to 355312123 its reverse (321213553), we get a palindrome (676525676).

The spelling of 355312123 in words is "three hundred fifty-five million, three hundred twelve thousand, one hundred twenty-three".