355823563 has 2 divisors, whose sum is σ = 355823564. Its totient is φ = 355823562.

The previous prime is 355823537. The next prime is 355823569. The reversal of 355823563 is 365328553.

It is a strong prime.

It is an emirp because it is prime and its reverse (365328553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355823563 is a prime.

It is a super-2 number, since 2×355823563² = 253220815972029938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355823569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177911781 + 177911782.

It is an arithmetic number, because the mean of its divisors is an integer number (177911782).

Almost surely, 2^355823563 is an apocalyptic number.

355823563 is a deficient number, since it is larger than the sum of its proper divisors (1).

355823563 is an equidigital number, since it uses as much as digits as its factorization.

355823563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 40.

The square root of 355823563 is about 18863.2861135063. The cubic root of 355823563 is about 708.6170016713.

The spelling of 355823563 in words is "three hundred fifty-five million, eight hundred twenty-three thousand, five hundred sixty-three".