268415823 has 8 divisors (see below), whose sum is σ = 385417648. Its totient is φ = 165178944.

The previous prime is 268415803. The next prime is 268415827. The reversal of 268415823 is 328514862.

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

It is not a de Polignac number, because 268415823 - 2¹⁰ = 268414799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6882457 = 268415823 / (2 + 6 + 8 + 4 + 1 + 5 + 8 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268415827) 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, 3441190 + ... + 3441267.

It is an arithmetic number, because the mean of its divisors is an integer number (48177206).

Almost surely, 2^268415823 is an apocalyptic number.

268415823 is a deficient number, since it is larger than the sum of its proper divisors (117001825).

268415823 is a wasteful number, since it uses less digits than its factorization.

268415823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882473.

The product of its digits is 92160, while the sum is 39.

The square root of 268415823 is about 16383.4008374330. The cubic root of 268415823 is about 645.0638504184.

The spelling of 268415823 in words is "two hundred sixty-eight million, four hundred fifteen thousand, eight hundred twenty-three".