205323768 has 64 divisors (see below), whose sum is σ = 614224800. Its totient is φ = 63175680.

The previous prime is 205323763. The next prime is 205323787. The reversal of 205323768 is 867323502.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205323761) 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, 33753 + ... + 39368.

Almost surely, 2^205323768 is an apocalyptic number.

It is an amenable number.

205323768 is an abundant number, since it is smaller than the sum of its proper divisors (408901032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205323768 is a wasteful number, since it uses less digits than its factorization.

205323768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73149 (or 73139 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 205323768 is about 14329.1230715630. The cubic root of 205323768 is about 589.9471062416.

The spelling of 205323768 in words is "two hundred five million, three hundred twenty-three thousand, seven hundred sixty-eight".