268385623 has 6 divisors (see below), whose sum is σ = 295002512. Its totient is φ = 243986820.

The previous prime is 268385617. The next prime is 268385627. The reversal of 268385623 is 326583862.

It is not a de Polignac number, because 268385623 - 2⁵ = 268385591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268385623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268385627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1108911 + ... + 1109152.

Almost surely, 2^268385623 is an apocalyptic number.

268385623 is a deficient number, since it is larger than the sum of its proper divisors (26616889).

268385623 is a wasteful number, since it uses less digits than its factorization.

268385623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218085 (or 2218074 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 268385623 is about 16382.4791469423. The cubic root of 268385623 is about 645.0396570373.

The spelling of 268385623 in words is "two hundred sixty-eight million, three hundred eighty-five thousand, six hundred twenty-three".