355122124243 has 2 divisors, whose sum is σ = 355122124244. Its totient is φ = 355122124242.

The previous prime is 355122124177. The next prime is 355122124249. The reversal of 355122124243 is 342421221553.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355122124243 is a prime.

It is a super-2 number, since 2×355122124243² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355122124199 and 355122124208.

It is not a weakly prime, because it can be changed into another prime (355122124249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177561062121 + 177561062122.

It is an arithmetic number, because the mean of its divisors is an integer number (177561062122).

Almost surely, 2^355122124243 is an apocalyptic number.

355122124243 is a deficient number, since it is larger than the sum of its proper divisors (1).

355122124243 is an equidigital number, since it uses as much as digits as its factorization.

355122124243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

Adding to 355122124243 its reverse (342421221553), we get a palindrome (697543345796).

The spelling of 355122124243 in words is "three hundred fifty-five billion, one hundred twenty-two million, one hundred twenty-four thousand, two hundred forty-three".