205450323 has 16 divisors (see below), whose sum is σ = 298744320. Its totient is φ = 124828704.

The previous prime is 205450243. The next prime is 205450337. The reversal of 205450323 is 323054502.

It is not a de Polignac number, because 205450323 - 2¹⁶ = 205384787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205450293 and 205450302.

It is not an unprimeable number, because it can be changed into a prime (205450723) 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, 30261 + ... + 36422.

It is an arithmetic number, because the mean of its divisors is an integer number (18671520).

Almost surely, 2^205450323 is an apocalyptic number.

205450323 is a deficient number, since it is larger than the sum of its proper divisors (93293997).

205450323 is a wasteful number, since it uses less digits than its factorization.

205450323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66778.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 205450323 is about 14333.5383977579. The cubic root of 205450323 is about 590.0682895196.

The spelling of 205450323 in words is "two hundred five million, four hundred fifty thousand, three hundred twenty-three".