355224123 has 20 divisors (see below), whose sum is σ = 543591048. Its totient is φ = 231037920.

The previous prime is 355224109. The next prime is 355224137. The reversal of 355224123 is 321422553.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (355224109) and next prime (355224137).

It is not a de Polignac number, because 355224123 - 2¹⁷ = 355093051 is a prime.

It is a super-2 number, since 2×355224123² = 252368355122238258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (355224923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50161 + ... + 56802.

Almost surely, 2^355224123 is an apocalyptic number.

355224123 is a deficient number, since it is larger than the sum of its proper divisors (188366925).

355224123 is a wasteful number, since it uses less digits than its factorization.

355224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107016 (or 107007 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 355224123 is about 18847.3903498601. The cubic root of 355224123 is about 708.2188529113.

Adding to 355224123 its reverse (321422553), we get a palindrome (676646676).

The spelling of 355224123 in words is "three hundred fifty-five million, two hundred twenty-four thousand, one hundred twenty-three".