205331423 has 16 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 166435200.

The previous prime is 205331393. The next prime is 205331431. The reversal of 205331423 is 324133502.

It is a cyclic number.

It is not a de Polignac number, because 205331423 - 2¹⁰ = 205330399 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 (205331453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25343 + ... + 32448.

It is an arithmetic number, because the mean of its divisors is an integer number (15603840).

Almost surely, 2^205331423 is an apocalyptic number.

205331423 is a deficient number, since it is larger than the sum of its proper divisors (44330017).

205331423 is a wasteful number, since it uses less digits than its factorization.

205331423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57838.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 205331423 is about 14329.3901824188. The cubic root of 205331423 is about 589.9544377341.

Adding to 205331423 its reverse (324133502), we get a palindrome (529464925).

The spelling of 205331423 in words is "two hundred five million, three hundred thirty-one thousand, four hundred twenty-three".