268956523 has 8 divisors (see below), whose sum is σ = 293728320. Its totient is φ = 244238280.

The previous prime is 268956517. The next prime is 268956551. The reversal of 268956523 is 325659862.

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

It is not a de Polignac number, because 268956523 - 2⁹ = 268956011 is a prime.

It is a super-2 number, since 2×268956523² = 144675222528499058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268956553) 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, 2493 + ... + 23326.

It is an arithmetic number, because the mean of its divisors is an integer number (36716040).

Almost surely, 2^268956523 is an apocalyptic number.

268956523 is a deficient number, since it is larger than the sum of its proper divisors (24771797).

268956523 is a wasteful number, since it uses less digits than its factorization.

268956523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26777.

The product of its digits is 777600, while the sum is 46.

The square root of 268956523 is about 16399.8939935598. The cubic root of 268956523 is about 645.4967013115.

The spelling of 268956523 in words is "two hundred sixty-eight million, nine hundred fifty-six thousand, five hundred twenty-three".