268939423 has 8 divisors (see below), whose sum is σ = 273665520. Its totient is φ = 264223680.

The previous prime is 268939403. The next prime is 268939469. The reversal of 268939423 is 324939862.

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

It is a cyclic number.

It is not a de Polignac number, because 268939423 - 2⁹ = 268938911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268939403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64908 + ... + 68926.

It is an arithmetic number, because the mean of its divisors is an integer number (34208190).

Almost surely, 2^268939423 is an apocalyptic number.

268939423 is a deficient number, since it is larger than the sum of its proper divisors (4726097).

268939423 is a wasteful number, since it uses less digits than its factorization.

268939423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177.

The product of its digits is 559872, while the sum is 46.

The square root of 268939423 is about 16399.3726404396. The cubic root of 268939423 is about 645.4830209994.

The spelling of 268939423 in words is "two hundred sixty-eight million, nine hundred thirty-nine thousand, four hundred twenty-three".