205668323 has 12 divisors (see below), whose sum is σ = 245717808. Its totient is φ = 168619440.

The previous prime is 205668313. The next prime is 205668383. The reversal of 205668323 is 323866502.

It is not a de Polignac number, because 205668323 - 2¹⁴ = 205651939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205668313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24068 + ... + 31473.

It is an arithmetic number, because the mean of its divisors is an integer number (20476484).

Almost surely, 2^205668323 is an apocalyptic number.

205668323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

205668323 is a deficient number, since it is larger than the sum of its proper divisors (40049485).

205668323 is an equidigital number, since it uses as much as digits as its factorization.

205668323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55594 (or 55571 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 205668323 is about 14341.1409239293. The cubic root of 205668323 is about 590.2769197043.

The spelling of 205668323 in words is "two hundred five million, six hundred sixty-eight thousand, three hundred twenty-three".