268916233 has 4 divisors (see below), whose sum is σ = 268986240. Its totient is φ = 268846228.

The previous prime is 268916213. The next prime is 268916257. The reversal of 268916233 is 332619862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268916233 - 2⁵ = 268916201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268916203) 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, 28885 + ... + 37042.

It is an arithmetic number, because the mean of its divisors is an integer number (67246560).

Almost surely, 2^268916233 is an apocalyptic number.

It is an amenable number.

268916233 is a deficient number, since it is larger than the sum of its proper divisors (70007).

268916233 is an equidigital number, since it uses as much as digits as its factorization.

268916233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70006.

The product of its digits is 93312, while the sum is 40.

The square root of 268916233 is about 16398.6655859555. The cubic root of 268916233 is about 645.4644676497.

It can be divided in two parts, 26891 and 6233, that added together give a square (33124 = 182²).

The spelling of 268916233 in words is "two hundred sixty-eight million, nine hundred sixteen thousand, two hundred thirty-three".