268152443 has 4 divisors (see below), whose sum is σ = 288779568. Its totient is φ = 247525320.

The previous prime is 268152439. The next prime is 268152487. The reversal of 268152443 is 344251862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344251862 = 2 ⋅172125931.

It is a cyclic number.

It is not a de Polignac number, because 268152443 - 2² = 268152439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268152743) 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, 10313543 + ... + 10313568.

It is an arithmetic number, because the mean of its divisors is an integer number (72194892).

Almost surely, 2^268152443 is an apocalyptic number.

268152443 is a deficient number, since it is larger than the sum of its proper divisors (20627125).

268152443 is a wasteful number, since it uses less digits than its factorization.

268152443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627124.

The product of its digits is 46080, while the sum is 35.

The square root of 268152443 is about 16375.3608509858. The cubic root of 268152443 is about 644.8527941611.

The spelling of 268152443 in words is "two hundred sixty-eight million, one hundred fifty-two thousand, four hundred forty-three".