205575323 has 2 divisors, whose sum is σ = 205575324. Its totient is φ = 205575322.

The previous prime is 205575319. The next prime is 205575347. The reversal of 205575323 is 323575502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205575323 - 2² = 205575319 is a prime.

It is a super-2 number, since 2×205575323² = 84522426853108658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205575323.

It is not a weakly prime, because it can be changed into another prime (205575523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102787661 + 102787662.

It is an arithmetic number, because the mean of its divisors is an integer number (102787662).

Almost surely, 2^205575323 is an apocalyptic number.

205575323 is a deficient number, since it is larger than the sum of its proper divisors (1).

205575323 is an equidigital number, since it uses as much as digits as its factorization.

205575323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 205575323 is about 14337.8981374538. The cubic root of 205575323 is about 590.1879349591.

The spelling of 205575323 in words is "two hundred five million, five hundred seventy-five thousand, three hundred twenty-three".