205364423 has 16 divisors (see below), whose sum is σ = 227725344. Its totient is φ = 183644160.

The previous prime is 205364363. The next prime is 205364441. The reversal of 205364423 is 324463502.

It is a cyclic number.

It is not a de Polignac number, because 205364423 - 2⁶ = 205364359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205364473) 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, 209711 + ... + 210687.

It is an arithmetic number, because the mean of its divisors is an integer number (14232834).

Almost surely, 2^205364423 is an apocalyptic number.

205364423 is a deficient number, since it is larger than the sum of its proper divisors (22360921).

205364423 is a wasteful number, since it uses less digits than its factorization.

205364423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 205364423 is about 14330.5416157241. The cubic root of 205364423 is about 589.9860410372.

The spelling of 205364423 in words is "two hundred five million, three hundred sixty-four thousand, four hundred twenty-three".