355521341555323 has 2 divisors, whose sum is σ = 355521341555324. Its totient is φ = 355521341555322.

The previous prime is 355521341555311. The next prime is 355521341555447. The reversal of 355521341555323 is 323555143125553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355521341555323 - 2¹³ = 355521341547131 is a prime.

It is not a weakly prime, because it can be changed into another prime (355521341556323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177760670777661 + 177760670777662.

It is an arithmetic number, because the mean of its divisors is an integer number (177760670777662).

Almost surely, 2^{355521341555323} is an apocalyptic number.

355521341555323 is a deficient number, since it is larger than the sum of its proper divisors (1).

355521341555323 is an equidigital number, since it uses as much as digits as its factorization.

355521341555323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250000, while the sum is 52.

The spelling of 355521341555323 in words is "three hundred fifty-five trillion, five hundred twenty-one billion, three hundred forty-one million, five hundred fifty-five thousand, three hundred twenty-three".