205354223 has 16 divisors (see below), whose sum is σ = 220631040. Its totient is φ = 190562400.

The previous prime is 205354217. The next prime is 205354229. The reversal of 205354223 is 322453502.

It is an interprime number because it is at equal distance from previous prime (205354217) and next prime (205354229).

It is not a de Polignac number, because 205354223 - 2⁴ = 205354207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205354192 and 205354201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205354229) 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, 257261 + ... + 258057.

It is an arithmetic number, because the mean of its divisors is an integer number (13789440).

Almost surely, 2^205354223 is an apocalyptic number.

205354223 is a deficient number, since it is larger than the sum of its proper divisors (15276817).

205354223 is a wasteful number, since it uses less digits than its factorization.

205354223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 205354223 is about 14330.1857280358. The cubic root of 205354223 is about 589.9762731050.

The spelling of 205354223 in words is "two hundred five million, three hundred fifty-four thousand, two hundred twenty-three".