268579723 has 4 divisors (see below), whose sum is σ = 272362608. Its totient is φ = 264796840.

The previous prime is 268579709. The next prime is 268579739. The reversal of 268579723 is 327975862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327975862 = 2 ⋅163987931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268579723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268579793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891336 + ... + 1891477.

It is an arithmetic number, because the mean of its divisors is an integer number (68090652).

Almost surely, 2^268579723 is an apocalyptic number.

268579723 is a deficient number, since it is larger than the sum of its proper divisors (3782885).

268579723 is an equidigital number, since it uses as much as digits as its factorization.

268579723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782884.

The product of its digits is 1270080, while the sum is 49.

The square root of 268579723 is about 16388.4020880622. The cubic root of 268579723 is about 645.1951199436.

The spelling of 268579723 in words is "two hundred sixty-eight million, five hundred seventy-nine thousand, seven hundred twenty-three".