268442023 has 2 divisors, whose sum is σ = 268442024. Its totient is φ = 268442022.

The previous prime is 268442021. The next prime is 268442033. The reversal of 268442023 is 320244862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268442023 - 2¹ = 268442021 is a prime.

It is a super-2 number, since 2×268442023² = 144122239424665058, which contains 22 as substring.

Together with 268442021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268442021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134221011 + 134221012.

It is an arithmetic number, because the mean of its divisors is an integer number (134221012).

Almost surely, 2^268442023 is an apocalyptic number.

268442023 is a deficient number, since it is larger than the sum of its proper divisors (1).

268442023 is an equidigital number, since it uses as much as digits as its factorization.

268442023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 268442023 is about 16384.2004077099. The cubic root of 268442023 is about 645.0848379082.

Adding to 268442023 its reverse (320244862), we get a palindrome (588686885).

The spelling of 268442023 in words is "two hundred sixty-eight million, four hundred forty-two thousand, twenty-three".