205090323 has 8 divisors (see below), whose sum is σ = 280123536. Its totient is φ = 133392000.

The previous prime is 205090309. The next prime is 205090373. The reversal of 205090323 is 323090502.

205090323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205090323 - 2¹³ = 205082131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205090293 and 205090302.

It is not an unprimeable number, because it can be changed into a prime (205090373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833578 + ... + 833823.

It is an arithmetic number, because the mean of its divisors is an integer number (35015442).

Almost surely, 2^205090323 is an apocalyptic number.

205090323 is a deficient number, since it is larger than the sum of its proper divisors (75033213).

205090323 is a wasteful number, since it uses less digits than its factorization.

205090323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667445.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 205090323 is about 14320.9749318962. The cubic root of 205090323 is about 589.7234392811.

The spelling of 205090323 in words is "two hundred five million, ninety thousand, three hundred twenty-three".