268560923 has 2 divisors, whose sum is σ = 268560924. Its totient is φ = 268560922.

The previous prime is 268560913. The next prime is 268560937. The reversal of 268560923 is 329065862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268560923 - 2¹⁰ = 268559899 is a prime.

It is a super-2 number, since 2×268560923² = 144249938725223858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268560913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134280461 + 134280462.

It is an arithmetic number, because the mean of its divisors is an integer number (134280462).

Almost surely, 2^268560923 is an apocalyptic number.

268560923 is a deficient number, since it is larger than the sum of its proper divisors (1).

268560923 is an equidigital number, since it uses as much as digits as its factorization.

268560923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 268560923 is about 16387.8285016655. The cubic root of 268560923 is about 645.1800655045.

The spelling of 268560923 in words is "two hundred sixty-eight million, five hundred sixty thousand, nine hundred twenty-three".