355723 has 2 divisors, whose sum is σ = 355724. Its totient is φ = 355722.

The previous prime is 355721. The next prime is 355753. The reversal of 355723 is 327553.

It is a weak prime.

It is an emirp because it is prime and its reverse (327553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355723 - 2¹ = 355721 is a prime.

Together with 355721, it forms a pair of twin primes.

355723 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (355721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177861 + 177862.

It is an arithmetic number, because the mean of its divisors is an integer number (177862).

2³⁵⁵⁷²³ is an apocalyptic number.

355723 is a deficient number, since it is larger than the sum of its proper divisors (1).

355723 is an equidigital number, since it uses as much as digits as its factorization.

355723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 25.

The square root of 355723 is about 596.4251839083. The cubic root of 355723 is about 70.8550238840.

The spelling of 355723 in words is "three hundred fifty-five thousand, seven hundred twenty-three".