268323845 has 4 divisors (see below), whose sum is σ = 321988620. Its totient is φ = 214659072.

The previous prime is 268323823. The next prime is 268323859. The reversal of 268323845 is 548323862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206008609 + 62315236 = 14353^2 + 7894^2 .

It is a cyclic number.

It is not a de Polignac number, because 268323845 - 2¹⁸ = 268061701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26832380 + ... + 26832389.

It is an arithmetic number, because the mean of its divisors is an integer number (80497155).

Almost surely, 2^268323845 is an apocalyptic number.

It is an amenable number.

268323845 is a deficient number, since it is larger than the sum of its proper divisors (53664775).

268323845 is an equidigital number, since it uses as much as digits as its factorization.

268323845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53664774.

The product of its digits is 276480, while the sum is 41.

The square root of 268323845 is about 16380.5935484646. The cubic root of 268323845 is about 644.9901606976.

The spelling of 268323845 in words is "two hundred sixty-eight million, three hundred twenty-three thousand, eight hundred forty-five".