355134623 has 2 divisors, whose sum is σ = 355134624. Its totient is φ = 355134622.

The previous prime is 355134617. The next prime is 355134671. The reversal of 355134623 is 326431553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355134623 - 2¹⁰ = 355133599 is a prime.

It is a super-2 number, since 2×355134623² = 252241200906704258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 355134623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355137623) 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, 177567311 + 177567312.

It is an arithmetic number, because the mean of its divisors is an integer number (177567312).

Almost surely, 2^355134623 is an apocalyptic number.

355134623 is a deficient number, since it is larger than the sum of its proper divisors (1).

355134623 is an equidigital number, since it uses as much as digits as its factorization.

355134623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 32.

The square root of 355134623 is about 18845.0158662708. The cubic root of 355134623 is about 708.1593684831.

The spelling of 355134623 in words is "three hundred fifty-five million, one hundred thirty-four thousand, six hundred twenty-three".