268867243 has 2 divisors, whose sum is σ = 268867244. Its totient is φ = 268867242.

The previous prime is 268867231. The next prime is 268867259. The reversal of 268867243 is 342768862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268867243 - 2¹³ = 268859051 is a prime.

It is a super-3 number, since 3×268867243³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268867193 and 268867202.

It is not a weakly prime, because it can be changed into another prime (268867943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134433621 + 134433622.

It is an arithmetic number, because the mean of its divisors is an integer number (134433622).

Almost surely, 2^268867243 is an apocalyptic number.

268867243 is a deficient number, since it is larger than the sum of its proper divisors (1).

268867243 is an equidigital number, since it uses as much as digits as its factorization.

268867243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The square root of 268867243 is about 16397.1717988195. The cubic root of 268867243 is about 645.4252692912.

The spelling of 268867243 in words is "two hundred sixty-eight million, eight hundred sixty-seven thousand, two hundred forty-three".