205452323 has 4 divisors (see below), whose sum is σ = 210230328. Its totient is φ = 200674320.

The previous prime is 205452319. The next prime is 205452329. The reversal of 205452323 is 323254502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323254502 = 2 ⋅161627251.

It is a cyclic number.

It is not a de Polignac number, because 205452323 - 2² = 205452319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205452292 and 205452301.

It is not an unprimeable number, because it can be changed into a prime (205452329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388938 + ... + 2389023.

It is an arithmetic number, because the mean of its divisors is an integer number (52557582).

Almost surely, 2^205452323 is an apocalyptic number.

205452323 is a deficient number, since it is larger than the sum of its proper divisors (4778005).

205452323 is an equidigital number, since it uses as much as digits as its factorization.

205452323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778004.

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

The square root of 205452323 is about 14333.6081640318. The cubic root of 205452323 is about 590.0702042286.

The spelling of 205452323 in words is "two hundred five million, four hundred fifty-two thousand, three hundred twenty-three".