263287223 has 2 divisors, whose sum is σ = 263287224. Its totient is φ = 263287222.

The previous prime is 263287207. The next prime is 263287229. The reversal of 263287223 is 322782362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263287223 - 2⁴ = 263287207 is a prime.

It is a super-3 number, since 3×263287223³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263287229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131643611 + 131643612.

It is an arithmetic number, because the mean of its divisors is an integer number (131643612).

Almost surely, 2^263287223 is an apocalyptic number.

263287223 is a deficient number, since it is larger than the sum of its proper divisors (1).

263287223 is an equidigital number, since it uses as much as digits as its factorization.

263287223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 263287223 is about 16226.1277882309. The cubic root of 263287223 is about 640.9290080816.

The spelling of 263287223 in words is "two hundred sixty-three million, two hundred eighty-seven thousand, two hundred twenty-three".