268615823 has 8 divisors (see below), whose sum is σ = 307876992. Its totient is φ = 229576536.

The previous prime is 268615817. The next prime is 268615829. The reversal of 268615823 is 328516862.

It is an interprime number because it is at equal distance from previous prime (268615817) and next prime (268615829).

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

It is a de Polignac number, because none of the positive numbers 2^k-268615823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268615829) 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, 52865 + ... + 57722.

It is an arithmetic number, because the mean of its divisors is an integer number (38484624).

Almost surely, 2^268615823 is an apocalyptic number.

268615823 is a deficient number, since it is larger than the sum of its proper divisors (39261169).

268615823 is a wasteful number, since it uses less digits than its factorization.

268615823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110941.

The product of its digits is 138240, while the sum is 41.

The square root of 268615823 is about 16389.5034397019. The cubic root of 268615823 is about 645.2240257003.

The spelling of 268615823 in words is "two hundred sixty-eight million, six hundred fifteen thousand, eight hundred twenty-three".