355115123 has 8 divisors (see below), whose sum is σ = 388302336. Its totient is φ = 322078600.

The previous prime is 355115119. The next prime is 355115141. The reversal of 355115123 is 321511553.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355115123 - 2² = 355115119 is a prime.

It is a super-2 number, since 2×355115123² = 252213501166610258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355115092 and 355115101.

It is not an unprimeable number, because it can be changed into a prime (355115153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32711 + ... + 42192.

It is an arithmetic number, because the mean of its divisors is an integer number (48537792).

Almost surely, 2^355115123 is an apocalyptic number.

355115123 is a deficient number, since it is larger than the sum of its proper divisors (33187213).

355115123 is a wasteful number, since it uses less digits than its factorization.

355115123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75345.

The product of its digits is 2250, while the sum is 26.

The square root of 355115123 is about 18844.4984809891. The cubic root of 355115123 is about 708.1464068628.

Adding to 355115123 its reverse (321511553), we get a palindrome (676626676).

The spelling of 355115123 in words is "three hundred fifty-five million, one hundred fifteen thousand, one hundred twenty-three".