268473523 has 4 divisors (see below), whose sum is σ = 269085520. Its totient is φ = 267861528.

The previous prime is 268473511. The next prime is 268473529. The reversal of 268473523 is 325374862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325374862 = 2 ⋅162687431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268473523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268473529) 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, 305340 + ... + 306217.

It is an arithmetic number, because the mean of its divisors is an integer number (67271380).

Almost surely, 2^268473523 is an apocalyptic number.

268473523 is a deficient number, since it is larger than the sum of its proper divisors (611997).

268473523 is an equidigital number, since it uses as much as digits as its factorization.

268473523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611996.

The product of its digits is 241920, while the sum is 40.

The square root of 268473523 is about 16385.1616714636. The cubic root of 268473523 is about 645.1100691511.

The spelling of 268473523 in words is "two hundred sixty-eight million, four hundred seventy-three thousand, five hundred twenty-three".