355531423 has 4 divisors (see below), whose sum is σ = 382880008. Its totient is φ = 328182840.

The previous prime is 355531399. The next prime is 355531499. The reversal of 355531423 is 324135553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324135553 = 7 ⋅46305079.

It is a cyclic number.

It is not a de Polignac number, because 355531423 - 2²¹ = 353434271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355531123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13674273 + ... + 13674298.

It is an arithmetic number, because the mean of its divisors is an integer number (95720002).

Almost surely, 2^355531423 is an apocalyptic number.

355531423 is a deficient number, since it is larger than the sum of its proper divisors (27348585).

355531423 is a wasteful number, since it uses less digits than its factorization.

355531423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27348584.

The product of its digits is 27000, while the sum is 31.

The square root of 355531423 is about 18855.5409097697. The cubic root of 355531423 is about 708.4230178423.

Adding to 355531423 its reverse (324135553), we get a palindrome (679666976).

The spelling of 355531423 in words is "three hundred fifty-five million, five hundred thirty-one thousand, four hundred twenty-three".