355123323 has 6 divisors (see below), whose sum is σ = 512955924. Its totient is φ = 236748876.

The previous prime is 355123313. The next prime is 355123331. The reversal of 355123323 is 323321553.

It is a de Polignac number, because none of the positive numbers 2^k-355123323 is a prime.

It is a super-2 number, since 2×355123323² = 252225149077124658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355123313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19729065 + ... + 19729082.

It is an arithmetic number, because the mean of its divisors is an integer number (85492654).

Almost surely, 2^355123323 is an apocalyptic number.

355123323 is a deficient number, since it is larger than the sum of its proper divisors (157832601).

355123323 is a wasteful number, since it uses less digits than its factorization.

355123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39458153 (or 39458150 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 355123323 is about 18844.7160498640. The cubic root of 355123323 is about 708.1518574481.

Adding to 355123323 its reverse (323321553), we get a palindrome (678444876).

The spelling of 355123323 in words is "three hundred fifty-five million, one hundred twenty-three thousand, three hundred twenty-three".